CBES Board Class 11 MCQ Quiz Hub

1. The angular velocity depends upon the rate of change of the?
Angular acceleration
Angular Distance
Angular Displacement
torque

2. A small body attached at the end of an inextensible string completes a vertical circle, then its
angular momentum remains constant
linear momentum remains constant
angular velocity remains constant
total mechanical energy remains constant

3. A cyclist goes round a circular path of circumference 343 m in s. The angle made by him, with the vertical is
440
420
430
450

4. A body makes a displacement of 4 m due East from a point O and then makes displacement of 3 m due North. Its resultant displacement from O
7 m
1 m
5 m
1 . 2 m

5. A body is traveling in a circle at constant speed. It
has an inward acceleration
has constant velocity
has no acceleration
has an outward radial acceleration

6. A coin kept on a rotating gramophone disc just begins to slip if its centre is at a distance of 8 cm from the centre of the disc. The angular velocity of the gramophone disc is then doubled. Through what distance, the coin should be shifted towards the centre, so that the coin will just slip?
2 cm
6 cm
16 cm
4 cm

7. The total flight requires a time that is?
four times the time necessary to reach the maximum height.
thrice the time necessary to reach the maximum height
equal to the time necessary to reach the maximum height.
twice the time necessary to reach the maximum height

8. The centripetal component of acceleration arises when?
The direction of motion is changed.
The direction propagation is changed.
The direction of gravity is changed.
The direction of projectile is changed.

9. One radian is equal to?
(a) 57.7o
53.7o
59.3o
57.3o