This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
obtain the resonant frequency and Q_ factor of a series LACE circuit with L is3H, C is 27uF, R is7.4 it is desired to improve the sharpness of resonance of circuit by reducing its width at half maximal by a factor of 2 suggest a suitable way |
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Answer» ONG>ANSWER: rajbhati ftytyy Explanation: 124t7u7 juiui |
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| 2. |
Who invented television |
Answer» ONG>ANSWER:
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| 3. |
Long spanner is used to open a tight bold why |
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Answer» s a long-HANDLED wrench make it easier to loosen a bolt? A long handled wrench loosens a bolt more EASILY than a short handled ONE because there is a longer lever ARM. A longer lever arm will give a greater TORQUE than a shorter one with the same applied force... |
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| 4. |
Plz it's very important plz kar do na yarr |
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Answer» > estrogrn and PROGESTERONE.. ur ans...
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| 5. |
what are the dimension of the quantity k √l/g where l is a length g is the acceleration due to gravity and k is a dimensionless constant |
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Answer» rong>nswer: EXPLANATION: T = K√L/√g as K is CONSTANT HENCE it has no dimensions l - [L] g - [ L T ^-2 ] SO, l/g = [ T ^-2] √L/g = [ T ] so DIMENSION of K √l/g = [ T ] Explanation: |
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| 6. |
Q19. When current in a coil changes from 6 A to 2 A in 0.1 s, and value of induced e.m.f is 40 V. The self-inductance of the coil is *O (a) 1 1O (b) 6 HO (C)3 HO (d) 0.67 H |
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Answer» ONG>Answer: 3 H |
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| 7. |
What is omhs low ? explan how it is used to define the unit of resistance . |
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Answer» ong>Answer: hope it helps you Explanation: The UNIT of resistance is ohm. If V=1 volt and I=1amp , then R=11=1ohm. THUS , 1 ohm is the resistance of a conductor such that when a POTENTIAL difference of 1 volt is applied to its ends , a current of 1 amp FLOWS through it. |
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| 8. |
Write the expression for calculating force. no google class 9 |
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Answer» ONG>ANSWER: F=MA FORCE=MASS ×ACCLERATION |
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| 9. |
The speed of light in air is 3×108 m s–1, whereas that of the speed of light in water is 2.26×108 m s–1. What is the refractive index of water with respect to air? 10.751.322.64 |
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Answer» ONG>EXPLANATION: lmibybeuwyb vwyv BuwbUabyquIu8#2373832uyrthjkhjnbnbhbyvtvtxecrdedd hj nnisnnksn |
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| 10. |
The acceleration of the rod A in the arrangement shown in the figure if the ratio of mass of wedge to that of rod equal to '7' andfriction between all contact surfaces is negligible1) адgcotag2) aa =tana + n cota1 +773) agcota + n tana4) AAg1 +n cot a |
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Answer» ONG>ANSWER: it will be HELPFUL for you |
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| 11. |
What does it mean for a body to have zero acceleration? |
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Answer» ONG>Answer: object is at REST.. PLEASE mark it as BRAINLIEST |
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| 12. |
A rocket can go vertically upwards in earth's atmosphere because |
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Answer» ong>ANSWER: Explanation: In accordance with NEWTON's 3rd Law of Motion the EXHAUST EXERTS an equal and opposite force on the rocket which propels it upward enabling it to overcome the gravitational force of the EARTH.It flies along a path at an angle to the earth's surface which places the payload in an orbit around the earth. |
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| 13. |
Explain Grubler’s criterion for determining degree of freedom for mechanisms. Using Grubler’s criterion for plane mechanism, prove that the minimum number of binary links in a constrained mechanism with simple hinges is four |
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Answer» ong>Answer: Hugh JACKMAN laughs and science and technology University admission test RESULT published the BLOGPOST you send me the MATH and Explanation: jh you send me the math and science and technology to achieve the math and science and technology University admission test result published the blogpost you send me the math and science and technology University admission test result published the |
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| 14. |
गुणांक विधि क्या है समझाइए |
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Answer» ONG>ANSWER: यह लेख एकाकी है, क्योंकि इससे बहुत कम अथवा शून्य लेख जुड़ते हैं। Explanation: |
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| 15. |
66 16. An AC. series circuit contains 8 ohm ofresistance and 6 ohm of inductivereactance. What is the impedance of thecircuit(a) 14 ohm(b) 2 ohm( 10 ohm(d) 14.2 ohm |
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Answer» ONG>Answer: 10 is the answer |
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| 16. |
Define equation of state. |
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Answer» ONG>ANSWER: An equation of state is an expression relating the density of a fluid with its temperature and pressure. Note that the density is RELATED to the number of moles and the VOLUME, so it takes care of these two variables together. Explanation: HOPE this helps you |
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| 17. |
The phenomenon of total internal reflection can be conducted by a prism is |
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Answer» ong>Answer: The PRISM is USED like a mirror. If the refractive index of the prism is large enough, we obtain Total Internal Reflection (TIR) and the prism acts like a mirror of 100% REFLECTANCE. |
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| 18. |
A particle is moving in circular path of radius 2m with a constant speed of 30m/s find the magnitude and direction of change in velocity as the particle moves from 2)A to B 3)Cto D |
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| 19. |
18976 in 3 digits rounding off |
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Answer» ong>Answer: 976 is the answer DEAR PLS mark me as brainlist and pls FOLLOW me |
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| 20. |
How many types of health is there |
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Answer» ONG>ANSWER: types of health ---Physical. types of health ---Physical.Emotional. types of health ---Physical.Emotional.Intellectual. types of health ---Physical.Emotional.Intellectual.Social. types of health ---Physical.Emotional.Intellectual.Social.Spiritual. types of health ---Physical.Emotional.Intellectual.Social.Spiritual.Environmental. types of health ---Physical.Emotional.Intellectual.Social.Spiritual.Environmental.Occupational. |
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| 21. |
So , who discovered Photon, Neutron and Electron |
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Answer» ONG>Answer: A base pair is a fundamental unit of double-stranded nucleic acids consisting of two nucleobases bound to each other by hydrogen bonds. They form the building BLOCKS of the DNA double helix and contribute to the FOLDED structure of both DNA and RNA. |
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| 22. |
Uneaquel access to basic services can be considered as social Injustice |
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Answer» ong>ANSWER: Let’s qualify basic services as affordable access to clean water, HEALTHY foods, habitation, medical care and education, you can argue there are many more. Lack of access to these can impare proper brain development in CHILDREN, LEAD to other diseases and disabilities which further impair a persons ability to be productive and earn a livable wage, limit the types of occupations a person can become qualified to do, etc. |
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| 23. |
Derive second equation of motion by graphical method |
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Answer» ONG>ANSWER: s=ut+1/2at^2 thanks ............. |
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| 24. |
When an object moves with constant speed in circular path ,then which of the following is false. A)The tangent to the circular path B)The outward radius C)The inward radius D)The axis of rotation PLS EXPLAIN WHY |
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Answer» ong>Answer: please FOLLOW me please MAKE me brainlest Explanation: Review the key CONCEPTS, equations, and SKILLS for uniform circular motion, including centripetal acceleration and the difference between linear and ANGULAR velocity |
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| 25. |
R1 R2 R3 ARE IN SERIES THEN RESISTANCE R OF COMBINATION |
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Answer» ONG>ANSWER: YES you are the BRAINLIEST answer |
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| 26. |
a car moves at a speed of 4 metre per second along a horizontal road to overtake a stationary truck when it is 6 metre behind the truck the truck starts moving with a constant acceleration of 1.2 metre per second square then the time taken by the car to over take the truck is |
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Answer» ong>Answer: ANSWER (a)After t sec the TRUCK moved s=ut+21at2 Initial velocityu=0 60=21×2.20×t2 t2=54.54 t=7.39 sec (b) Let the distance be d meters When they MET, automobile moved 60+d=21×3.50×t2 60+d=21×3.50×7.392 60+d=95.57 d=95.57−60 d=35.57 m (c)VELOCITY of truck vT=u+at vT=2.20×7.39=16.258 m/s Velocity of automobile vA=u+at vA=3.50×7.39=25.865 m/s |
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| 27. |
Proof motional emf. And If the velocity 1 m per second length 132m and magmatic field is 320 Tesla registance is 10 ohm . Find current...( Ignore negative Sign) |
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Answer» ONG>Answer: PLZ mark it as briliniast answer And when I was wondering if you are not audible to US and we |
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| 28. |
A motor cycle takes 5 sec to increase its velocity from 20 m/s to 50 m/s .What is it's average acceleration |
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Answer» ONG>ANSWER: u=20m/s v=50m/s t=5s a=v-u/t =50-20/5 =30/5 =6m/s² |
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| 29. |
A passenger train 100m long is moving with uniform velocity 45 kmph. Time taken to cross a stationary goods train of length 1km is ______ seconds |
| Answer» ONG>Answer: | |
| 30. |
Define relative density......... |
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Answer» ong>Answer: RELATIVE density, or specific gravity, is the ratio of the density of a substance to the density of a given REFERENCE material. Specific gravity for liquids is nearly ALWAYS MEASURED with respect to water at its densest; for gases, the reference is air at room temperature. |
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| 31. |
If a current is passing through a straight wire, then what will be the angle b/w its own magnetic field and its own(wire) length? |
Answer» ONG>Answer:90°Explanation: FOLLOW me |
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| 32. |
17. Age of fossils can be determined by: (1) radio-carbon dating(2) astronomical studies(3) morphological analysis(4) platinum-dating |
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Answer» ONG>Answer: (1)radio carbon dating Explanation: |
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| 33. |
When is acceleration is taken as negative ? |
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Answer» ong>Answer: Explanation: acceleration is taken as NEGATIVE in retardation or when the VEHICLE is going to be stop as it have its initial speed and then it will be 0 on final velocity |
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| 34. |
ए वेक्टर इज इक्वल टू फॉर आई के प्लस 3 जेके प्लस टू के कैप व बी वेक्टर इक्वल टू थ्री आई के प्लस 4 जेके प्लस 5 के कैंसर |
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Answer» ONG>ANSWER: I will give you a answer to the QUESTION but you should give me a brainliest |
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| 35. |
In the figure show all surfaces are smooth,find the force acting between 4kg block and 10kg block |
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Answer» ONG>ANSWER: djytdjutdkutelutelhtelhtskhfdluteoxkhfdkhfdjhfemfejhteiytejyt |
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| 36. |
Prove that Newtown second law is real law. |
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Answer» ong>Explanation: Prove that NEWTOWN second law is real law.When a net external FORCE acts on an object of mass m, the acceleration that RESULTS is directly proportional to the net force and has a magnitude that is inversely proportional to the mass.
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| 38. |
Aise kon se dhat hai jo bhaf ke sath prtekerya nhi krte |
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Answer» ong>EXPLANATION: i was not understand your question pls MARK me as a brainlist and follow Me |
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| 39. |
Calculate the total distance covered by the car |
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Answer» ONG>ANSWER: sorry Explanation: i dont know plss EXCUSE me |
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| 40. |
The numerical ratio of displacement to distance for a moving object is : * 2 points(a) always less than 1(B) always equal to 1(C) always more than 1(D) equal or less than 1 |
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Answer» ONG>Answer: the RATIO of displacement to distance for a MOVING object is equal to less than 1. Explanation: FOLLOW me |
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| 41. |
The time period of two simple pendulum at a place are in the ratio 2:1 what will be the ratio of their length |
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Answer» ONG>ANSWER 4 : 1 Explanation: |
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| 42. |
A force of 10 n act on a body of mass 10 kg for 5 sec. the change in momentum of body is? |
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Answer» wêr
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| 44. |
The upper half of an inclined plane is smooth and the lower half rough. A block allowed to slide down from the top is brought to rest by friction just as it reaches the bottom. Find the ratio of the force of friction to the weight of the particle, assuming friction to be independent of velocity. |
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Answer» ONG>ANSWER: the answer is GIVEN above |
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| 45. |
3 oblain possible speed at vehicle Alongan expression for maximumhorizontal corcular trackСІ |
| Answer» ONG>Answer: | |
| 46. |
In given V-I graph straight line deviate for higher value of current why |
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Answer» ong>Answer: for higher values of current, the current through a resistor is not exactly directly proportional to the POTENTIAL difference DUE to excess temperature due to the HEAT ENERGY produced in the resistor. This results the deviation of I-V characteristics from a straight line to curved shape. good night PLEASE do follow me buddy |
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| 47. |
Some substance given below identify and classify them as solids liquids and gaseous based on their physical states and write them in the table |
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| 48. |
state a simple activity to show that magnetic field lines are originate from north pole and moves towards South pole |
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Answer» ONG>Answer: The direction of the magnetic field is taken to be the direction in which a North pole of the COMPASS needle moves inside it. therefore it is taken by conversion that the field LINES merge at SOUTH pole |
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| 49. |
Calculate the power of a concave lens whose principal focus is at a distance of 500cm from its optical center |
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Answer» ONG>ANSWER: here is your answer -0.20 DIOPTRE |
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| 50. |
Defference between boiling and evaporation process.In three four points |
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Answer» ONG>ANSWER: this is your ans plz MARK as BRAINLIEST |
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