Assertion (A) The graph between P and Q is a straight line, when P Q = constant. Reason (R) The straight line graph means that P ∞ Q or P = constant x Q.

Both A and R are individually true and R is the correct explanation of A

Both A and Rare individually true but R is not the correct explanation of A

A simple pendulum is oscillating in a lift. If the lift starts moving upwards with uniform acceleration, the period _____.

May be shorter or longer depending on the magnitude of acceleration

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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 155

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UPSC CAPF AC Paper - I

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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?

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Important Questions on Physics

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UPSC CAPF AC Paper - I

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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

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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?

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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 158

Assertion (A) The graph between P and Q is a straight line, when $\frac{P}{Q}$ = constant.
Reason (R) The straight line graph means that P