EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Consider the following statements
  1. The time period of the satellite does not depend on the radius of the orbit.
  2. The orbital velocity is inversely proportional to the square root of the radius of the orbit.
  3. The orbital velocity of a satellite increases with the radius of the orbit.
Which of the statement(s) given above is/are correct?

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Important Questions on Physics

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 149
Gravitational force shares a common feature with electromagnetic force. In both cases, the force is
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 152
A satellite revolves around the earth in a circular orbit. If gravitational pull suddenly disappear, then it
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 153

Statement I:

Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth.
Statement II:

Earth rotates from the West towards the East once in 24 hours with respect to the Sun.

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 154
Consider following statements
1. At the latitude of 45° and at the sea level the standard value of g is 9.8 m/ s2 or 32ft /s2.
2. The value of g is not constant and varies from place to place.
Which of the statement(s) given above is/are correct?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 155
A body is dropped from a height of 1000 m. At what height the velocity of the body will be equal to one half the velocity, when it hits the ground?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 156
The scientist who first discovered that the Earth revolves round the Sun was
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 157
Consider the following statements
1. According to Kepler's first law, each planet moves in an elliptical orbit around the sun, the sun being at one of the foci of the ellipse.
2. According to Kepler's second law, the radius vector of any planet relative to the sun sweeps out equal areas in equal times, that is the areal velocity of the radius vector of the planet is constant.
Which of the statements given above is/are correct?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 158
Assertion (A) The graph between P and Q is a straight line, whenPQ  =  constant.
Reason (R) The straight line graph means that P ∞Q or P = constant x Q.