MCAT Physics Unit 4 solved mcqs assessment for mdcat and ecat entry test examination according to UHS and NUMS syllabus.

### Sample MCQs from unit 4 Assessment

Download in pdf link is given at the end of the post.

The ratio of angular accretions of point A to that of It”

A) 1: 1

C) 3 :2

B) 2 :3

D) 1:6

A satellite appears to be at rest when seen from the equator. Its height from the earth surface is nearly

A) 35600 km

C) Such a satellite cannot exist

B) 356000 km

D) 6400 km

2xr subtends an angle of

A) I radian ‘

C) 4 radian

B) 2 radian

D) 2x rad

A body moving in a circular path with a constant speed has a

A) Constant velocity

C) Constant kinetic energy

B) Constant acceleration

D) Constant displacement

A point on the km of a wheel 4 m in diameter has a velocity of 1600 cm s”‘. The

Angular velocity of the wheel is

A) 2md$”j

C) 4 rad s”‘

8)6 rad s”‘

D) 8 rad s”‘

A flywheel gains a speed of 540 rpm in 6 second. Its angular acceleration is

A) 3 x rad

C) 6 x rad s-2

8)9 Le rad s

D) l2krads”?

If the distance between the earth and the sun is reducing to one fourth, then the

number of days in one year approximately

A) 183

C)46

8)129

D) 365

A point On the rim or wheel 4 m in diameter has a velocity of 1600 cm s”1 The

Angular velocity of the wheel is.

A) 2 rad S”‘

C) rad

B)4rad

D) 8 rads