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UPSC CAPF AC Paper - I
IMPORTANT
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Assertion (A) Distance travelled in a particular second has the dimension of distance.
Reason (R) DistanceTime= Velocity

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Important Questions on Physics

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 160
Assertion (A) The centripetal forces and centrifugal forces never cancel out.
Reason (R) They do not act at the same time.
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 161
For a missile launched with a velocity less than the Earth's escape velocity, the total energy is
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 162
If the radius of the earth's orbit becomes one-fourth of the present value, the deviation of one year will become
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 163
Newton's laws of motion do not hold good for objects _____.
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 164
The mass of a body on earth is 100 kg (acceleration due to gravity, g = 10 m/ s2) . If acceleration due to gravity on the moon is g6, then the mass of the body on the moon is
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 165

Consider the following statements:

1. Geostationary satellites are used to reflect TV signals and telecast TV program from one part of the world to another.

2. Polar satellites are used for weather forecasting.

Which of the statement(s) given above is/are correct?

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 166
Match the following lists
     List I                                                                       List II
A. Formation of day and night                               1. Geostationary  satellite
B. Short range warning about environment            2. Polar satellite
C. Longer term forecasting about environment      3. Rotation of earth around the sun
D. Formation of tide in ocean                                 4. Gravitational attraction between moon and ocean water
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 167
Consider the following statements
1. When a satellite is orbiting in its orbit, no energy is required to keep it in its orbit.
2. When the total energy of a satellite is negative, it will be moving in either a circular or an elliptical orbit.
3. When the total energy of a satellite is zero, it will escape away from its orbit and its path becomes parabolic.
4. When the total energy of a satellite is positive, it will escape away from the orbit following a hyperbolic path.
Which of the statement(s) given above are correct?