ECAT Pre Engineering Physics Chapter 5 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion

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Physics ECAT Pre Engineering Chapter 5 Circular Motion

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Question # 1

INTELSAT operates at frequencies 4, 6, 11, 14 having unit of

Question # 2

A rotating wheel accelerates up to the value of 0.75 rev/sec2after 2 seconds of its start. Its angular velocity becomes:

Question # 3

A body moving along the circumference of a circle of radius R completes one revolution. The radius of the covered path to the angle subtended at the center is:

Question # 4

A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is

Question # 5

One radian is equal to:

Question # 6

If a gymnast is sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will:

Question # 7

A car is turning around a corner at 10 m/sec as it travels along an arc of circle. If value of centripetal acceleration is 10 m/sec2in this case, find radius of the circular path:

Question # 8

Angular velocity is a:

Question # 9

One radian is:

Question # 10

The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are

Question # 11

When angular acceleration is positive, the body rotates:

Question # 12

When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:

Question # 13

Moment of inertia depends upon:

Question # 14

The number of countries who manage the largest satellite system is:

Question # 15

Einstein's theory about gravity if better than Newton's because it gave explanation of:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Conventionally the angular velocity is directed at an angle of
A. 90° to the axis of rotation
B. 30° to the axis of rotation
C. 0° to the axis of rotation
D. None of the above
2 A body moving along the circumference of a circle of radius R completes one revolution. The radius of a covered path to the angle subtended at the centre is:
A. Radius of the circle
B. Twice the radius
C. Thrice the radius
D. None of these
3 Centripetal acceleration is also called ______ acceleration
A. Tangential
B. Radial
C. Angular
D. None of them
4 Moment of inertia depends upon:
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
5 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
6 Direction of motion _________ in circular motion
A. Changes off and on
B. Changes continously
C. Does not change
D. None of them
7 One radian is equal to:
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
8 ______ plays the same role during angular motion as played by the mass in linear motion
A. Torque
B. Angular Momentum
C. Moment of a force
D. Moment of inertia
9 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
A. KHz
B. MHz
C. GHz
D. BHz
10 When a body is moves along a circular path with constant speed, it has an acceleration, which is always directed:
A. Along the tangent
B. Toward the centre
C. Away from the centre
D. None of them

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