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66601.

Which of the following produces least friction? A. Sliding friction В. С Rolling friction C. O Composite friction D. O Static friction​

Answer» CORRECT answer is option BRolling friction PRODUCES the LEAST friction.I hope it is HELPFUL for youExplanation:please mark me briliant please
66602.

Can radio antennas emit visible light?​

Answer»

.. Yes, radio antennas can emit visible light, but probably not in the way that you're thinking. If you pump enough ENERGY into a radio ANTENNA, you can HEAT it up until it glows and emits visible light through the PROCESS of thermal radiation. ... The laser is the most practical visible-light EQUIVALENT of a radio antenna.

66603.

What is meant by saying taht the potential difference between two points is 1 V ?​

Answer»

If 1 J of work is REQUIRED to move a charge of amount 1 C from one point to another, then it is said that the POTENTIAL DIFFERENCE between the two points is 1 V.hope it HELPS U

66604.

Standing in a lift falling under gravity releases a Ball from his hand as seen the ball is​

Answer»

tion:what is JOURNAL ENTRY on Rs 75000 paid as SALARY ADVANCE to praful after deducting earlier advance of Rs 2000

66605.

A force 2fF acting on particle of mass 10kg produces acceleration 60m/sec.A force 5F acting on particle of mass M produce acceleration 50m/sec what is the mass of M?

Answer»

5Explanation:tyyyuugvhhdsaawuuhhhbbfddrttt

66606.

Define kilogram at atomic scale

Answer»

According to the NEW DEFINITION of the kilogram, one KG is the MASS difference between c2/h νCs=1.4755214*1040 Cs atoms in the upper and lower HYPERFINE states. ... Therefore, an equivalent definition of the kilogram is: one kg is the mass of 1.475 5214*1040 photons at νCs stored in a microwave cavity.

66607.

यदि दो आवेशों के मध्य कांच की प्लेट रख दी जाए तब उनके मध्य कार्यरत विद्युत बल पूर्व की तुलना में ______ हो जाएगा।

Answer»

आवेशों के मध्य काँच की प्लेट रख दी जाये तब उनके मध् य कार्यरत् विद्युत बल पूर्व की तुलना में हो जायेगायदि दो आवेशों के मध्य काँच की प्लेट रख दी जाये तब उनके मध् य कार्यरत् विद्युत बल पूर्व की तुलना में हो जायेगा(अ) अधिकयदि दो आवेशों के मध्य काँच की प्लेट रख दी जाये तब उनके मध् य कार्यरत् विद्युत बल पूर्व की तुलना में हो जायेगा(अ) अधिक(ब) कमयदि दो आवेशों के मध्य काँच की प्लेट रख दी जाये तब उनके मध् य कार्यरत् विद्युत बल पूर्व की तुलना में हो जायेगा(अ) अधिक(ब) कम(स) शून्ययदि दो आवेशों के मध्य काँच की प्लेट रख दी जाये तब उनके मध् य कार्यरत् विद्युत बल पूर्व की तुलना में हो जायेगा(अ) अधिक(ब) कम(स) शून्य(द) अनन्त।यदि दो आवेशों के मध्य काँच की प्लेट रख दी जाये तब उनके मध् य कार्यरत् विद्युत बल पूर्व की तुलना में हो जायेगा(अ) अधिक(ब) कम(स) शून्य(द) अनन्त।उत्तर:यदि दो आवेशों के मध्य काँच की प्लेट रख दी जाये तब उनके मध् य कार्यरत् विद्युत बल पूर्व की तुलना में हो जायेगा(अ) अधिक(ब) कम(स) शून्य(द) अनन्त।उत्तर:(ब) कमयदि दो आवेशों के मध्य काँच की प्लेट रख दी जाये तब उनके मध् य कार्यरत् विद्युत बल पूर्व की तुलना में हो जायेगा(अ) अधिक(ब) कम(स) शून्य(द) अनन्त।उत्तर:(ब) कममाध्यम में रखने पर विद्युत बल पूर्व की तुलना में कम हो जाएगा।

66608.

Friction is a A. 0 non-contact force B. o contact force C. magnetic force D. electrostatic force​

Answer»

tion: .Friction is the RESISTANCE to motion of one object moving relative to another. It is not a FUNDAMENTAL force, like gravity or ELECTROMAGNETISM. Instead, scientists believe it is the result of the electromagnetic attraction between charged PARTICLES in two TOUCHING surfaces.

66609.

A A thin lens has focal length of -25 . what is the power of the lens and what is its nature​

Answer»

Since the POWER is obtained as negative, the lens will be CONCAVE. The power of a lens is MEASURED in the units of a DIOPTRE. The power of a lens with a focal LENGTH of 1m will be 1 dioptre.

66610.

Where did all the antimatter go? ...​

Answer»

ctures KEPT by me MAY HELP you.

66611.

The pressure which is exerted by air around us is known as A. 0 force B. o atmospheric pressure C. O muscular force D. O friction​

Answer» ATMOSPHERIC pressureExplanation:It is the force exerted on a surface by the air above it as GRAVITY pulls it to EARTH. Atmospheric pressure is commonly measured with a barometer. In a barometer, a column of mercury in a GLASS tube rises or falls as the weight of the ATMOSPHERE changes
66612.

A ball is dropped from building of height 45m. Simultaneously another ball is thrown up with a speed 40m/s. The rate of change of relative speed of the balls is Clear Response 20ms 1 40ms 30ms​

Answer»

the cubeThe volume of the CUBE corresponds to the space held within it. The cube has all faces in square STRUCTURE, all the faces have EQUAL dimensions. The edges opposite to each other are parallel.We KNOW that, the volume of cube is equal to the product of three times of the edges of the cube.In mathematical term the volume of cube will be,\IMPLIES Volume_{(cube)} = a^3⟹Volume (cube) =a 3 Here a is the edge of cube. And here in this question we have, Volume = 1331cm³. So by using the volume of cube formula we can get our edge value.Let us assume that, the edges of the cube be a \; cm.acm.By using the required

66613.

द मैक्सिमम सेफ्टी स्पीड ऑफ रिकॉल ट्रैवलिंग अलोन अंबेडकर रोड ​

Answer»

T TI ATATIatajdxhsnzxb tati TAI hgxxz B  MCV Explanboooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooobbbbbbbbbbbbbbboooooooooooooooooooooooooooooooo

66614.

To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable? A. O stone B. O Plastic block C. O Wooden block D. O Glass block​

Answer»

A. O STONE is the CORRECT OPTION.

66615.

A train starts from rest from a station with acceleration 0.25 m/s² on a straight track and after attaining maximum speed it comes to rest on another station due to retardation of 0.5 m/s². If total time spent is half an hour, then distance between two stations is (Neglect length of train) :- (1) 270 km (2) 540 km (3) 180 km (4) 360 km​

Answer»

the cubeThe volume of the CUBE corresponds to the SPACE held within it. The cube has all faces in square structure, all the faces have equal dimensions. The edges opposite to each other are parallel.We know that, the volume of cube is equal to the product of three times of the edges of the cube.In mathematical term the volume of cube will be,\IMPLIES Volume_{(cube)} = a^3⟹Volume (cube) =a 3 Here a is the edge of cube. And here in this QUESTION we have, Volume = 1331cm³. So by using the volume of cube formula we can GET our edge value.Let us assume that, the edges of the cube be a \; cm.acm.By using the required

66616.

2.2 Fill in the blanks by suitable conversion of units 3.0 m s-2 = .... km h-2 ​

Answer»

0.3km/h-2 this is the CORRECT ANSWER for this QUESTION THANK you

66617.

In a triangle shown in the figure​

Answer»

what's the ACTUAL QUESTION?

66618.

What is ratio of universal gas constant and Avagadro number?​

Answer»

Answer: Derivation from the ideal gas law where N is the number of particles in the gas, and the ratio of R over KB is EQUAL to the Avogadro constant. If T and P are taken at standard conditions for temperature and pressure (STP), then k′ = 1/n0, where n0 is the Loschmidt constant.

66619.

A toy car released with the same initial speed will travel farthest on A. O muddy surface B. O polished marble surface C. O cemented surface D. O brick surface​

Answer»

i THINK B is the CORRECT OPTION

66620.

Two cars are moving in same direction with a speed of 40 km/h. They are separated by 5 km. A car is moving in opposite direction with a speed of 60 km/h. How much is the minimum time (in minutes), it will take to cross both cars?​

Answer»

They are separated by a distance of 5 KM, the speed of a CAR moving in the opposite direction of it meets these two cars at an INTERVAL of 4 minutes, will be. So the relative separation between them (=5KM) always remains the same.

66621.

When the brakes are applied in a moving cycle,the directions of velocity and acceleration​

Answer»

When BRAKES are APPLIED to a moving bicycle, its VELOCITY starts decreasing while it moves in the same direction, i.e., it undergoes retardation. This indicates that its ACCELERATION is in a direction opposite to that of its velocity.

66622.

What is physics?abcdefghijklm​

Answer»

the branch of science concerned with the nature and properties of matter and ENERGY. The subject matter of physics includes mechanics, HEAT, light and other radiation, sound, electricity, MAGNETISM, and the STRUCTURE of atoms.the PHYSICAL properties and phenomena of something.plural noun: physics"the physics of plasmas"

66623.

What is sociology??? thank my answer guysplease help ​

Answer»

Unity in DIVERSITY” . Our country is a mixture of cultures, REGIONS, traditions, diversity in food, languages, etc. Our people of India are so polite, UNDERSTANDING and HELPING in nature. The national BIRD of India is Peacock and is very beautiful.okayy

66624.

The properties of solid, liquid and gas with respect to intermolecular forces What is friction? Give its three properties

Answer»

tion:what is JOURNAL ENTRY on Rs 75000 paid as salary advance to praful after DEDUCTING earlier advance of Rs 2000

66625.

किसी खींचे तार के प्रति एकांक आयतन आंतरिक ऊर्जा का सूत्र निगमित कीजिए।

Answer»

This DIVISION of the Himalayas is demarcated by the RIVER valleys. Punjab Himalayas: This PART of the Himalayas lies between the rivers Indus and Satluj. ... Kumaon Himalayas: This part of the Himalayas lies between Satluj and KALI rivers. Nepal Himalayas: This part of the Himalayas lies between Kali and Teesta rivers.Explanation:Brainlist Answer ✌️

66626.

An airplane moving horizontally with velocity 80 m/s at a height 122.5 m drops a stone to the ground. When and where the stone hits the ground?

Answer» 5 SEC and it will REACH 400 m from the ORIGIN
66627.

What is rest?????????​

Answer» REST is a TYPE of MOTION in which BODY is not in motion
66628.

UNITS AND MEASUREMENTS 45. If the diameter of the sun is taken as 1.393 x 10' m and the angular diameter of the sun is 1922", then calculate the distance between the earth and the sun. p​

Answer»

Unity in Diversity” . Our country is a mixture of cultures, regions, traditions, diversity in FOOD, languages, etc. Our people of INDIA are so POLITE, understanding and helping in nature. The national bird of India is PEACOCK and is very BEAUTIFUL.

66629.

, 10 resistors of 2 Ω each are connected in parallel. Calculate the effective resistance.​

Answer»

tion:hope it HELPS YOUPLS mark me as brainlist

66630.

Explain positive,negative and zero acceleration​

Answer»

In VECTOR form , if angle between VELOCITY vector and acceleration vector is LESS than 90° and greater than 0° then it is positive acceleration and if it is less than 180° and greater than 90° then it is negative acceleration. If there is no acceleration vector then it is CALLED zero acceleration. 】

66631.

The relations between n1 and n2. if behaviour of light rays is shown in figure, is​

Answer»

:-As we can see that the RAY is coming from to and again ENTERING and is GETTING highly diverged. HENCE, option(1) is the correct answer.

66632.

Find the volume of a cylinder whose length is 150 cm and diameter is 60 cm

Answer»

V≈4.24×105cm³Explanation:

66633.

Friction is A. O foe B. friend C. o both (a) and (b) D. O none of these​

Answer» B. Friend.Hope Its HELP You !
66634.

Force acting on per unit area is called A. O non-contact forces В. О contact forces C. force D. O pressure​

Answer»

Pressurehopefullyhopefully

66635.

the minimum number of forces of equal magnitude in a plane that can keep a particle in equilibrium is​

Answer»

answer is 2Explanation:CONSIDER a particle having just ONE LINE of force acting on it. This force results in acceleration of the particle DISTURBING its equilibrium.Consider a particle having two lines of forces acting on it. The forces are in opposite direction but of equal MAGNITUDE. They cancel each other resulting in equilibrium

66636.

Find the ension produced in a copper of length 2 m and diameter 3 mm, when a force of 30 N is applied. Young's modulus for copper = 1.1 × 1011Nm-2​

Answer»

Find the ension PRODUCED in a copper of length 2 m and diameter 3 mm, when a FORCE of 30 N is APPLIED. Young's modulus for copper = 1.1 × 1011Nm-2

66637.

Define and explain sign convention for spherical lenses ,​

Answer»

The SIGN convention of spherical lenses are: All distance are measured from the OPTICAL centre of the LENS. The distance measured in the same direction as that of incident light are taken as positive and the distance measured against the direction of incident light are taken as NEGATIVE.

66638.

If we apply oil on door hinges, the friction will A. O increase B. o decrease C. O disappear altogether D. O will remain unchanged​

Answer»

If we APPLY oil on DOOR hinges, the FRICTION willA. increase B. DECREASE C. disappear altogetherD. will remain unchanged

66639.

1 kilogram weight is equal to A. 98 N B. 9.8 N C. 0.98 N D. 0.098 N​

Answer»

98N.hope it helpshopefullyExplanation: .

66640.

Here is another interesting problem.looks like easy but hard.please don't scam for 5 points​

Answer» 9 is the CURRENT ANSWER EXPLANATION:plese mark me as brainlist plese
66641.

For a diatomic gas Cv=5R/2 then gamma for this gas will be?

Answer» TION:HENCE ANSWER is 7/5as USING above FORMULA of Cv=R/gamma-1
66642.

(C) 50 meters race (run) indicates_______​

Answer»

50 METRES, or 50-meter dash, is a sprint event in track and field. It is a relatively UNCOMMON non-championship event for indoor track and field, normally dominated by the BEST OUTDOOR 100 metres RUNNERS

66643.

The mathematical relation of stefan,s law is

Answer»

Stefan's law and astrophysicsThe formula for Stefan’s lawThe meaning of Stefan’s law is SIMPLE: The total ENERGY radiated per unit surface AREA per unit time by a BLACK body at all the wavelengths is proportional to the fourth power of its absolute TEMPERATURE.

66644.

In an Otto cycle, the pressure and temperature of the air at the beginning of compression are 97 kN/m2 and 50°C respectively. The ratio of compression is 5:1. The heat supplied during the cycle is 970 kJ/kg of the working fluid. Determine: (i) The thermal efficiency of the cycle (ii) Maximum temperature of the cycle and (iii) Work done during the cycle per kg of working fluid. Assume = 1.4 and = 0.717 kJ/kgK.

Answer» SONU kjvyhgghhhhddonu kjhhjh
66645.

When force is applied to an object its what is not affect ?

Answer»

gravityExplanation:the GRAVITATIONAL FORCE ACT on OBJECTS at all TIMES

66646.

Which one among the following is odd. 1800Ad,. 2100Ad, 2400Ad,2700Ad

Answer»

1800AD.Explanation:HOPE this HELPS !

66647.

The Capacitance of a parallel plate capacitor with plate area A and separation d is C. The space between the plates is filled with two wedges of dielectric constants K1 and K2 respectively (figure). Find the capacitance of the resulting capacitor. {JEE Advanced}​

Answer» 1 brainliest+10 thanks=23 FOLLOWERS In 1 hourbut U have to vait for ONE HOUR
66648.

When a potential difference is applied across the ends of a linear metallic conductor :-1) group of free electrons are acceleratedcontinuously from the lower potentialend to the higher potential end of theconductor2) group of free electrons are acceleratedcontinuously from the higher potentialend to the lower potential end of theconductor3) group of free electrons acquire aconstant drift velocity from the lowerpotential end to the higher potentialend of the conductor.4) each free electron is set in motion fromtheir position of rest.​

Answer»

(4) each FREE electron is SET in MOTION from their position of rest

66649.

If Z = sin theta, where theta = (53° ± 1.8°) then the maximum percentage error in z will be? ​

Answer»

tion:4.16% this is the RIGHT ANSWER

66650.

The dimension of emmi emissive power. a, M¹, L-², T-² (b). M¹ L² T-² ​

Answer»

your ANSWER in ATTACHMENT.