Question

MCQ's
11 When angular acceleration of rotating body is zero, which physical quantity will
be equal to zero?
a) Angular momentum b) Torque c) M. I. d) Radius of gyration
-2 In conical pendulum, centripetal force acting on the bob is given by ---
mgr
mgr
(²_p²
mgl
12 2 0 2 2
mg
3 Glass plate of refractive index 1.732 is used to be as a polarizer, its polarizing
angle is -----
a) 300 6) 450 c) 60°
d) 90°​

Answer 1

Answer:

GUYS a is the correct answer