RRB GROUP D Physics Quiz - 47

Attempt now to get your rank among 2 students!

Question 1:

On what effect is the principle of fuse based?

Question 2:

What should be the minimum distance between the reflecting surface and the observer to hear a clear echo?

Question 3:

The working principle of a washing machine is

Question 4:

What is the unit of the force ?

Question 5:

One picogram is equal to -