67486 + Interview Questions in Secondary School in Physics Page 1320 InterviewSolution

65951.	for greater efficiency in a pulley system weight of lower block must be minimum give reason to support your answer
Answer» the one who DELETES OTHERS questions and answers.. I RECOGNIZED you...Harami SALA

Discussion

65952.	in sucessive radioactive decay if the decrease in mass number is 32 and the decrease in atomic number is 8 ,how many alpha particles and beta particles are emitted in the process
Answer» SIR I am not SURE if you have any QUESTIONS or concerns PLEASE visit the plug-in settings to determine

Discussion

65953.	. Electric field intensity between two infinite plane parallel sheets of charge of surface charge densities σ and -σ is *
Answer» tion:ELECTRIC field intensity DUE to one INFINITE PLANE sheet is σ /2€

Discussion

65954.	Convert a work of 25 g cm into the units of M.K.S.system using method of dimensional analysis.
Answer» that 1 G = 100 CM25 g = 25 × 100 = 2500 CM I hope this is help you

Discussion

65955.	calculate the charges on condenser 2uf and 3uf capacity connected in parallel when a potential difference of 100v is applied across them
Answer» I didn't UNDERSTAND what are you SAYING??

Discussion

65956.	Assertion (A): Thermal neutrons are much likely to cause fission of Us Than fast neutrons. Reason (R): Fast neutrons can escape the nuclear reactor.
Answer» bbbbExplanation:but I'm going back and I don't know what to do with it but I can't get a chance of the AFRICAN countries are the same THING I have no clue what to TELL U

Discussion

65957.	Draw a graph of constant velocity
Answer» CONSTANT velocity consists a straight line graph EXPLANATION:PLEASE MARK as brainliest n thank me

Discussion

65958.	anyone please solve this and let know the value. I didn't understand how ✓2 came in denominator please let me know.
Answer» I ALSO don't LIKE you PLEASE TELL me also

Discussion

65959.	Mass=2% length=1% find error % in density of cube
Answer» bjdnrjrhutjtExplanation:chufntouyyyýyryjrt

Discussion

65960.	Degraded energy defenation (for class 10 students)
Answer» . : the PROCESS by which ENERGY BECOMES less AVAILABLE for doing WORK — compare conservation of energy, dissipation of energy.

Discussion

65961.	Torque dimenional formula
Answer» The SI unit for torque is Newton- meter as we know that the unit of force is newton which is EQUAL to $Force = mass \times ACCELERATION$. The SI unit of mass is KILOGRAM and acceleration is $meter/{\sec ^2}$. Hence the dimensional FORMULA of torque is $M{L^2}{T^{ - 2}}$.

Discussion

65962.	Find the length of a pendulum which completes 6 oscillations in 15s.Take g=9.8m/s^2, pie=3.14
Answer» hhhurd 3hjrdjfv rjrjkkkakaojf EXPLANATION:hheirorid djdkksbr djskekbef

Discussion

65963.	The relation between terminal potential difference V and electromotive force E of a cell during charging is given by
Answer» OPTION is (B) v=e+irExplanation:a CELL during CHARING is GIVAN by this

Discussion

65964.	Torque dimensional formula
Answer»

Discussion

65965.	A girl has many resistors of 20 ohm each. she needs a circut of 90 ohm effective resistance writes its calculation? writes its calculation please..
Answer» will be HELPFUL for you.. PLEASE MARK me as a BRAINLIEST ANSWER

Discussion

65966.	A solenoid has a cross-sectional area of 8 x 10-4 m2, 300 windings, length of 0.4 m, and a current of 1.2 A. A) 5 x 10-7 Wb B) 9 x 10-4 Wb C) 2.7 x 10-4 Wb
Answer» 9 ×10^-4 WbExplanation:PLEASE LIKE me

Discussion

65967.	What is value of 2sin45 what is it's value or (Sin45+Sin45) is what
Answer» NOkk BYE GOOD MORNING

Discussion

65968.	What are the cgs and si units of area ?give the relation between them.
Answer» 1gcm −3 =1000 kgm −3 CGS UNIT of density is g/cm 3 .Converting to SI unit1g/cm 3 = 10001×100×100×100 kg/m 3 1g/cm 3 =1000kg/m 3

Discussion

65969.	Explain the reason why water rises in the dropper by filling it with water and pressing it into the water
Answer» will be renamed the file is scanned IMAGE in PDF format is not a nice day and night and I will be renamed the file is scanned image in PDF format is not a nice day and night and I will be renamed the file is scanned image in PDF format is not a nice day and night and I will be renamed the file is scanned imageExplanation:HURTING the file is scanned image in PDF format is not a nice day and night and I will be renamed the file is scanned image in PDF format is not a nice day and night and I will be renamed the file is scanned image in PDF format is not a nice day and night and I will be renamed the file is scanned image in PDF format and night and I will be in PDF format and I am in the G and night and I will be renamed the

Discussion

65970.	The relation between terminal potential difference V and electromotive force E of a cell during charging is given by * (a) V = E – Ir(b) V = E + Ir(c) V = E always(d) V = E/Ir
Answer» Their RELATION is V=E-Ir. But while CHARGING of SECONDARY CELL It BECOME V=E+It.

Discussion

65971.	What is drift velocity?
Answer» In physics a drift velocity is the average velocity attained by charged particles, such as electrons, in a material due to an electric field. In general, an electron in a CONDUCTOR will propagate randomly at the Fermi velocity, resulting in an average velocity of zero. Applying an electric field adds to this RANDOM motion a SMALL net flow in one direction; this is the drift.Explanation:PLS mark me BRAINLIEST..

Discussion

65972.	Two point charges are located on the x-axis of a coordinate system: 1 q nC =1.0 is at x cm = +2.0 , and 2 q nC = −2.0 is at x cm = +4.0 . What is the total electric force exerted by 1 q and 2 q on a charge 3 q nC = 5.0 at x = 0?
Answer» PLEASE REFER to the above ATTACHMENT

Discussion

65973.	What is gravitational force?
Answer» gravity, also CALLED gravitation, in mechanics, the universal force of attraction acting between all matter. ... On EARTH all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is MEASURED by the acceleration that it gives to freely FALLING objects.

Discussion

65974.	Electric field intensity between two infinite plane parallel sheets of charge of surface charge densities σ and -σ is (a) σ/2ε₀(b) σ/ε₀(c) 2σ/ε₀(a) σ x ε₀
Answer» TION:SODIUM metal is soft enough to be CUT with a KNIFE. Potassium is also a soft metal.

Discussion

65975.	Find the time period for a body is in S.H.M as shown in fig
Answer» tion:SODIUM METAL is SOFT enough to be cut with a knife. Potassium is also a soft metal.

Discussion

65976.	Please answer the attached question from dual nature of radiation and matter of jee mains 2020
Answer» 1Explanation:ATTACHED question from dual NATURE of radiation and matter of JEE MAINS 2020

Discussion

65977.	What is current density?¿Good morning friends
Answer» In electromagnetism, CURRENT density is the amount of CHARGE per unit time that FLOWS through a unit area of a chosen cross sectionExplanation:Gud MRNG#queen♥️

Discussion

65978.	Why canot we observe compton effect with ordinary light?
Answer» THANKS for the QUESTIONPLEASE MARK me as BRAINLIEST

Discussion

65979.	[A] Multiple Choice Questions Q.1. Which of the following can make a parallel beam of light when light from a point source is incident on it? (a) Concave mirror as well as convex lens (b) Convex mirror as well as concave lens (C) Two plane mirrors placed at 90° to each other (d) Concave mirror as well as concave lens INCERT Fxemp
Answer» i don't KNOW PLZ SORRY BRO YAR

Discussion

65980.	6. Numerical Problems a Two vehicles X and Y are moving in the same direction with the velocity of 12 m/s and 8 m/s respectively. Calculate the relative velocity of X with respect to Y. Also, calculate the relative velocity when they are moving in opposite directions (Ans: 4 m/s, 20 m/s]
Answer» SAME DIRECTION ANSWER IS 2m/sOPPOSITE DIRECTION ANSWER IS 18m/s

Discussion

65981.	The scale used with the laboratory thermometer is Celsius scale, indicated by:
Answer» °C MARK ME BRAINLIEST EXPLANATION:PLEASE

Discussion

65982.	How much fat should we take in food daily
Answer» The dietary REFERENCE intake (DRI) for FAT in adults is 20% to 35% of total calories from fat. That is about 44 grams to 77 grams of fat per DAY if you eat 2,000 calories a day. It is recommended to eat more of some types of fats because they provide health benefits.Explanation:#queen♥️

Discussion

65983.	calculate the energy rediated in one minute by a black body of surface area 200cm2 atv27°c (r=5.7×10 -2 jm -2 s -1 k -4
Answer» s editorializing akankshaon

Discussion

65984.	Please tell me answer
Answer» your SOLUTION is ATTACHED HOPE this HELPS you

Discussion

65985.	A body of mass 50 kg rests on a rough horizontal surface (mu = 0.4) and is acted upon by a push applied at an angle of 45 degrees to the horizontal. Determine the magnitude of push if it causes the an acceleration of 2 m/s^2
Answer» ed QUESTIONS We KNOW frictional FORCE f=μN where N=normal force=mgGiven sliding frictionμ=0.25 THUS, f=0.25×50×10=125NHence Fnet=Fapp−f=575−125=450NAlso we know ForceF=maa=50450=9m/s2

Discussion

65986.	A body of mass 50 ke rests on a rough horizontal surface (mu = 0.4) * a * u * d is acted upon by a push applied at an angle of 15 degrees to the horizontal. Determine the magnitude of push if it causes the an acceleration of 2 m/s^2
Answer» MARK as BRAINLIEST ANSWER PLZ

Discussion

65987.	What is density ?????????
Answer» The density, of a SUBSTANCE is its MASS per unit volume. The symbol most often used for density is ρ, although the LATIN letter D can ALSO be used. Mathematically, density is defined as mass divided by volume: {\displaystyle \rho ={\frac {m}{V}}} where ρ is the density, m is the mass, and V is the volume

Discussion

65988.	WHAT IS BALANCE POINT AS APPLIED TO THE WHEATSTONE BRIDGE?
Answer» The Wheatstone bridge is the INTERCONNECTION of FOUR resistances forming a bridge. ... To find the value of unknown resistance the deflection on galvanometer MADE to zero by adjusting the variable resistor. This point is known as BALANCE point of Wheatstone bridge.Explanation:mark as BRAINLIEST answer

Discussion

65989.	Plz solve step by step and gain 40points
Answer» Habitat DESTRUCTION is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously INHABITED the site are DISPLACED or dead, thereby REDUCING biodiversity and species abundance. Habitat destruction is the leading cause of biodiversity LOSS.

Discussion

65990.	Write the significance of material at nanoscale and explain the quantum confinement in nanomaterials.
Answer» the false SENTENCE C O The puranchal mountains are composed of sedimentary Sand STONE b) The resser himalayas include the Kangra and KULU valleys c) The pir panjal ranges are located in the LESSER himalayas of Himadri is composed of highly compressed himalayas

Discussion

65991.	What is the si unit of current and what is its SI unit.
Answer» The SI unit of CURRENT is COULOMB and the current is measured by AMMETER.

Discussion

65992.	b) L VI 3) The energy stored in a soap bubble of diameter 6 cm and surface tension 0.04 N/m, is nearly, a) 0.9 x 10-3)) b) 0.4 x 10-3] c) 0.7 x 10-3] d) 0.5 x 10-3] The second lou deals with transfer of
Answer» GOOD MORNING have a NICE DAY AHEAD

Discussion

65993.	Find the shortest wavelength that can be obtained in a hydrogen spectrum(r=10⁷ m^-1).
Answer» HELLOGOOD morningstay HOME STAY SAFE

Discussion

65994.	A ball is dropped from a height of 10m on smooth floor and after the impact the ball bounces to a height of 2.5m. The coefficient of restitution between the ball and the floor is?
Answer» 2100m/s²Explanation:Your ANSWER:

Discussion

65995.	১. প্রতিটি প্রশ্নের সঠিক উত্তরটি নির্বাচন করে তার ক্রমিক সংখ্যাসহ ৰাটি সম্পূর্ণ করে লেখো : ১.১ উদ্ভিদের পমধ্যের দৈর্ঘ্য বৃদ্ধি ঘটায় যে হরমােন সেটি নির্বাচন করে (ক) অক্সিন (খ) জিবেরেলিন (গ) সাইটোকাইনিন (ঘ) NAA ১.২ নীচের বক্তব্যগুলি থেকে মায়ােপিয়ার সঙ্গে সম্পর্কিত সমস্যাটি চিহ্নিত করাে (ক) চোখের লেন্সের স্থিতিস্থাপকতা নষ্ট হয়ে যাওয়া (খ) বস্তুর প্রতিবিম্ব রেটিনার সামনে গঠিত হওয়া (গ) চোখের লেপের স্বচ্ছতা নষ্ট হয়ে যাওয়া (ঘ) বস্তুর প্রতিবিম্ব রেটিনার পেছনে gothto hoi
Answer» TION:इन इन इन आईबी इन इब जब एक एक इन आईबी इन

Discussion

65996.	एक विद्युत द्विध्रुव (q,2a)के मध्य बिंदु पर समान परिमाण q का एक बिंदु आवेश रखा हो तो इस आवेश पर लगने वाले कुल विद्युत बल का परिमाण होगा
Answer» What is your QUESTION TYPE in ENGLISH

Discussion

65997.	An object gains excess of negative charged after being rubbed by another object which becomes, 1) neutral 2) negatively charged 3) positively charged 4) either 1, 2 or 3
Answer» 3 positively chargedit's because the electrons jump from the other OBJECT to object being RUBBED and object being rubbed GAINS negative charge while other gains POSITIVE charge

Discussion

65998.	The fundamental frequency of vibrating string is ______ proportional to vibrating length when tension and mass per unit length is kept constant. (a) directly (b) inversely (c) both the above (d) none
Answer» The FUNDAMENTAL frequency of vibrating STRING is ______ proportional to vibrating length when TENSION and mass per unit length is kept constant.(a) DIRECTLY (B) inversely (c) both the above (d) noneExplanation:both

Discussion

65999.	How much 1g of radioactive element would be left after 4 half lives
Answer» PERCENTAGE of mass of RADIOACTIVE substance undecayed after n=4 half-lives. =( 2 1 ) 4 ×100%= 16 100 =6.25%Explanation:

Discussion

66000.	Plsss.... solve this ques.
Answer» what is this? EXPLANATION:SORRY but i DONT UNDERSTAND

Discussion

Explore topic-wise InterviewSolutions in .

for greater efficiency in a pulley system weight of lower block must be minimum give reason to support your answer​

in sucessive radioactive decay if the decrease in mass number is 32 and the decrease in atomic number is 8 ,how many alpha particles and beta particles are emitted in the process​

. Electric field intensity between two infinite plane parallel sheets of charge of surface charge densities σ and -σ is *​

Convert a work of 25 g cm into the units of M.K.S.system using method of dimensional analysis.​

calculate the charges on condenser 2uf and 3uf capacity connected in parallel when a potential difference of 100v is applied across them​

Assertion (A): Thermal neutrons are much likely to cause fission of Us Than fast neutrons. Reason (R): Fast neutrons can escape the nuclear reactor.​

Draw a graph of constant velocity​

anyone please solve this and let know the value. I didn't understand how ✓2 came in denominator please let me know.​

Mass=2% length=1% find error % in density of cube

Degraded energy defenation (for class 10 students)​

Torque dimenional formula

Find the length of a pendulum which completes 6 oscillations in 15s.Take g=9.8m/s^2, pie=3.14​

The relation between terminal potential difference V and electromotive force E of a cell during charging is given by ​

Torque dimensional formula

A girl has many resistors of 20 ohm each. she needs a circut of 90 ohm effective resistance writes its calculation? writes its calculation please..​

A solenoid has a cross-sectional area of 8 x 10-4 m2, 300 windings, length of 0.4 m, and a current of 1.2 A. A) 5 x 10-7 Wb B) 9 x 10-4 Wb C) 2.7 x 10-4 Wb

What is value of 2sin45 what is it's value or (Sin45+Sin45) is what​

What are the cgs and si units of area ?give the relation between them.​

Explain the reason why water rises in the dropper by filling it with water and pressing it into the water​

The relation between terminal potential difference V and electromotive force E of a cell during charging is given by * (a) V = E – Ir(b) V = E + Ir(c) V = E always(d) V = E/Ir​

What is drift velocity?​

Two point charges are located on the x-axis of a coordinate system: 1 q nC =1.0 is at x cm = +2.0 , and 2 q nC = −2.0 is at x cm = +4.0 . What is the total electric force exerted by 1 q and 2 q on a charge 3 q nC = 5.0 at x = 0?​

What is gravitational force?​

Electric field intensity between two infinite plane parallel sheets of charge of surface charge densities σ and -σ is (a) σ/2ε₀(b) σ/ε₀(c) 2σ/ε₀(a) σ x ε₀​

Find the time period for a body is in S.H.M as shown in fig​

Please answer the attached question from dual nature of radiation and matter of jee mains 2020​

What is current density?¿Good morning friends ​

Why canot we observe compton effect with ordinary light?

6. Numerical Problems a Two vehicles X and Y are moving in the same direction with the velocity of 12 m/s and 8 m/s respectively. Calculate the relative velocity of X with respect to Y. Also, calculate the relative velocity when they are moving in opposite directions (Ans: 4 m/s, 20 m/s]​

The scale used with the laboratory thermometer is Celsius scale, indicated by:

How much fat should we take in food daily​

calculate the energy rediated in one minute by a black body of surface area 200cm2 atv27°c (r=5.7×10 -2 jm -2 s -1 k -4​

Please tell me answer ​

A body of mass 50 kg rests on a rough horizontal surface (mu = 0.4) and is acted upon by a push applied at an angle of 45 degrees to the horizontal. Determine the magnitude of push if it causes the an acceleration of 2 m/s^2​​

A body of mass 50 ke rests on a rough horizontal surface (mu = 0.4) * a * u * d is acted upon by a push applied at an angle of 15 degrees to the horizontal. Determine the magnitude of push if it causes the an acceleration of 2 m/s^2​

What is density ?????????​

WHAT IS BALANCE POINT AS APPLIED TO THE WHEATSTONE BRIDGE?

Plz solve step by step and gain 40points​

Write the significance of material at nanoscale and explain the quantum confinement in nanomaterials.​

What is the si unit of current and what is its SI unit. ​

b) L VI 3) The energy stored in a soap bubble of diameter 6 cm and surface tension 0.04 N/m, is nearly, a) 0.9 x 10-3)) b) 0.4 x 10-3] c) 0.7 x 10-3] d) 0.5 x 10-3] The second lou deals with transfer of​

Find the shortest wavelength that can be obtained in a hydrogen spectrum(r=10⁷ m^-1).​

A ball is dropped from a height of 10m on smooth floor and after the impact the ball bounces to a height of 2.5m. The coefficient of restitution between the ball and the floor is?​

An object gains excess of negative charged after being rubbed by another object which becomes, 1) neutral 2) negatively charged 3) positively charged 4) either 1, 2 or 3

The fundamental frequency of vibrating string is ______ proportional to vibrating length when tension and mass per unit length is kept constant. (a) directly (b) inversely (c) both the above (d) none​

How much 1g of radioactive element would be left after 4 half lives

Plsss.... solve this ques. ​

for greater efficiency in a pulley system weight of lower block must be minimum give reason to support your answer

in sucessive radioactive decay if the decrease in mass number is 32 and the decrease in atomic number is 8 ,how many alpha particles and beta particles are emitted in the process

. Electric field intensity between two infinite plane parallel sheets of charge of surface charge densities σ and -σ is *

Convert a work of 25 g cm into the units of M.K.S.system using method of dimensional analysis.

calculate the charges on condenser 2uf and 3uf capacity connected in parallel when a potential difference of 100v is applied across them

Assertion (A): Thermal neutrons are much likely to cause fission of Us Than fast neutrons. Reason (R): Fast neutrons can escape the nuclear reactor.

Draw a graph of constant velocity

anyone please solve this and let know the value. I didn't understand how ✓2 came in denominator please let me know.

Degraded energy defenation (for class 10 students)

Find the length of a pendulum which completes 6 oscillations in 15s.Take g=9.8m/s^2, pie=3.14

The relation between terminal potential difference V and electromotive force E of a cell during charging is given by

A girl has many resistors of 20 ohm each. she needs a circut of 90 ohm effective resistance writes its calculation? writes its calculation please..

What is value of 2sin45 what is it's value or (Sin45+Sin45) is what

What are the cgs and si units of area ?give the relation between them.

Explain the reason why water rises in the dropper by filling it with water and pressing it into the water

The relation between terminal potential difference V and electromotive force E of a cell during charging is given by * (a) V = E – Ir(b) V = E + Ir(c) V = E always(d) V = E/Ir

What is drift velocity?

Two point charges are located on the x-axis of a coordinate system: 1 q nC =1.0 is at x cm = +2.0 , and 2 q nC = −2.0 is at x cm = +4.0 . What is the total electric force exerted by 1 q and 2 q on a charge 3 q nC = 5.0 at x = 0?

What is gravitational force?

Electric field intensity between two infinite plane parallel sheets of charge of surface charge densities σ and -σ is (a) σ/2ε₀(b) σ/ε₀(c) 2σ/ε₀(a) σ x ε₀

Find the time period for a body is in S.H.M as shown in fig

Please answer the attached question from dual nature of radiation and matter of jee mains 2020

What is current density?¿Good morning friends

6. Numerical Problems a Two vehicles X and Y are moving in the same direction with the velocity of 12 m/s and 8 m/s respectively. Calculate the relative velocity of X with respect to Y. Also, calculate the relative velocity when they are moving in opposite directions (Ans: 4 m/s, 20 m/s]

How much fat should we take in food daily

calculate the energy rediated in one minute by a black body of surface area 200cm2 atv27°c (r=5.7×10 -2 jm -2 s -1 k -4

Please tell me answer

A body of mass 50 kg rests on a rough horizontal surface (mu = 0.4) and is acted upon by a push applied at an angle of 45 degrees to the horizontal. Determine the magnitude of push if it causes the an acceleration of 2 m/s^2

A body of mass 50 ke rests on a rough horizontal surface (mu = 0.4) * a * u * d is acted upon by a push applied at an angle of 15 degrees to the horizontal. Determine the magnitude of push if it causes the an acceleration of 2 m/s^2

What is density ?????????

Plz solve step by step and gain 40points

Write the significance of material at nanoscale and explain the quantum confinement in nanomaterials.

What is the si unit of current and what is its SI unit.

b) L VI 3) The energy stored in a soap bubble of diameter 6 cm and surface tension 0.04 N/m, is nearly, a) 0.9 x 10-3)) b) 0.4 x 10-3] c) 0.7 x 10-3] d) 0.5 x 10-3] The second lou deals with transfer of

Find the shortest wavelength that can be obtained in a hydrogen spectrum(r=10⁷ m^-1).

A ball is dropped from a height of 10m on smooth floor and after the impact the ball bounces to a height of 2.5m. The coefficient of restitution between the ball and the floor is?

The fundamental frequency of vibrating string is ______ proportional to vibrating length when tension and mass per unit length is kept constant. (a) directly (b) inversely (c) both the above (d) none

Plsss.... solve this ques.