EASY
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IMPORTANT
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It is the product of power and time; its unit is W-s and kWh. What is it called?

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Important Questions on Physics

EASY
RPF Constable CBT 1
IMPORTANT
Study Package Railway Recruitment Boards (RRBs) Level 1>Chapter 48 - Physics>Practice Exercise>Q 87
An object of mass 15 kg is moving with a uniform velocity of 7ms-1. What is the kinetic energy possessed by the object? 
EASY
RPF Constable CBT 1
IMPORTANT
Study Package Railway Recruitment Boards (RRBs) Level 1>Chapter 48 - Physics>Practice Exercise>Q 88
The SI unit of resistivity is _____.
MEDIUM
RPF Constable CBT 1
IMPORTANT
Study Package Railway Recruitment Boards (RRBs) Level 1>Chapter 48 - Physics>Practice Exercise>Q 89
Consider a planet whose mass and radius are one-third the mass and radius of the earth. If g is the value of acceleration due to gravity on the earth, then its value on the planet will be _____.
EASY
RPF Constable CBT 1
IMPORTANT
Study Package Railway Recruitment Boards (RRBs) Level 1>Chapter 48 - Physics>Practice Exercise>Q 90

Work done on an object depends on _____

A. Displacement

B. Angle between force and displacement

C. Force applied

D. Mass of the object

Which of these points are correct?

EASY
RPF Constable CBT 1
IMPORTANT
Study Package Railway Recruitment Boards (RRBs) Level 1>Chapter 48 - Physics>Practice Exercise>Q 91
Three identical resistors, each of 6 Ω are connected in parallel. The equivalent resistance of the combination will be _____.
EASY
RPF Constable CBT 1
IMPORTANT
Study Package Railway Recruitment Boards (RRBs) Level 1>Chapter 48 - Physics>Practice Exercise>Q 92
Clouds look white due to the phenomenon of _____.
MEDIUM
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IMPORTANT
Study Package Railway Recruitment Boards (RRBs) Level 1>Chapter 48 - Physics>Practice Exercise>Q 93
A car is moving with uniform velocity on a rough horizontal road. Therefore, according to Newton's first law of motion:
MEDIUM
RPF Constable CBT 1
IMPORTANT
Study Package Railway Recruitment Boards (RRBs) Level 1>Chapter 48 - Physics>Practice Exercise>Q 94
A 40 kg girl runs up a flight of stairs having a rise of 5 m in 4 s. The power developed by her will be: (Take g=10 ms-2)