ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

00:00
Question # 1

The restoring force is _____ and opposite to the applied force within ______,:

Question # 2

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 3

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 4

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 5

To and fro motion of a body is about its mean position is known as:

Question # 6

The time taken to complete one vibration is called:

Question # 7

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 8

The body oscillates due to ______ accelerates and overshoots the rest position due to _______

Question # 9

The restoring force is ______ amd opposite to the applied force within _____:

Question # 10

The time period of a simple pendulum is independent of its:

Question # 11

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:

Question # 12

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 13

The unit of spring constant is

Question # 14

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 15

Which of the following quantity for particle executing SHM is non-zero at mean position

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
2 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
3 If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
4 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
5 The restoring force is ______ amd opposite to the applied force within _____:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
6 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
7 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
8 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
9 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
10 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest

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