Question

which lens always form a virtual image

Answer 1

, convex lens is away from the virtual image

Answer 2

Explanation:

a fly wheel is rotating at 50 rpm. A motor

gives it a constant angular acceleration of 0.5

rad/s2 until it reaches 100 rpm. the motor is then

disconnected. How many revolutions are

completed at t= 20 s?

(A) 25 rev

(B) 29 rev

(C) 20 rev

(D) 15 rev