What is the SI unit of work?

Important Questions on Model Questions for Year-End Examination

EASY

9th CBSE

IMPORTANT

Physics>Chapter 7 - Motion>PERIODIC TEST>Q (f)

Show the location of a point on a graph which is $5 \mathrm{m}$ and $45°$ north to east.

EASY

9th CBSE

IMPORTANT

Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (k)

What is the SI unit of power? Define it.

EASY

9th CBSE

IMPORTANT

Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (l)

What kind of waves are the sound waves?

EASY

9th CBSE

IMPORTANT

Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (m)

Name a wave that can travel through a vacuum.

EASY

9th CBSE

IMPORTANT

Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (a)

Among the given, speed and velocity, which can be negative? Give reasons.

EASY

9th CBSE

IMPORTANT

Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (b)

What is the difference between uniform linear motion and uniform circular motion?

HARD

9th CBSE

IMPORTANT

Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (d)

An astronaut is drifting away from his spaceship. How can he return to his spaceship using only an aerosol spray?

EASY

9th CBSE

IMPORTANT

Physics>Chapter 7 - Model Questions for Year-End Examination>Model Questions for Year-End Examination>Q (e)

When you jump from a certain height, why do you bend your legs rather than keep them rigidly straight?