EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Which of the following pairs of physical quantities have same dimensions?

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Important Questions on Physics

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UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions>Chapter 1 - Physics>Assessment>Q 4

Consider the following statements-

I. Three vectors not lying in a plane can never add up to give a null vector.

II. The total path length is always equal to the magnitude of the displacement vector of a particle.

III. The magnitude of vector is always a scalar.

IV. The average speed of a particle is either greater or equal to the magnitude of the average velocity of the particle over the same interval of time.

Which of the statements given above is/are correct?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions>Chapter 1 - Physics>Assessment>Q 5
The dimension MLT-2 corresponds to:
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions>Chapter 1 - Physics>Assessment>Q 6
A passenger in a moving train tosses a five rupees coin. If the coin falls behind him, then the train must be moving with a uniform:
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions>Chapter 1 - Physics>Assessment>Q 7
A person stands at the middle point of a wooden ladder, slipping between a vertical wall and the floor of a room while remaining in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is:
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions>Chapter 1 - Physics>Assessment>Q 8
The slope of a velocity-time graph represents:
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UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions>Chapter 1 - Physics>Assessment>Q 9

A body starting from the rest moves along a straight line with constant acceleration. Which one of the following graphs represents the variation of speed (v) and distance (s)?

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions>Chapter 1 - Physics>Assessment>Q 10
For a body moving with non-uniform velocity and uniform acceleration:
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UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions>Chapter 1 - Physics>Assessment>Q 11

An iron ball and a wooden ball of the same radius are released from a height h in vacuum. The time taken by both of them to reach the ground is