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

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Question # 1

The displacement of body executing SHM is

Question # 2

The string of a simple pendulum should be:

Question # 3

An object undergoes SHM. Its maximum equilibrium positions:

Question # 4

Acceleration of body executing SHM is always directed towards

Question # 5

The unit of spring constant is

Question # 6

Free oscillations are always produced by:

Question # 7

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

Question # 8

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 9

The wave form of SHM is

Question # 10

The restoring force is always directed towards:

Question # 11

If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:

Question # 12

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

Question # 13

A particle moving uniformly along circle its projection along diameter performs

Question # 14

Second's pendulum is the pendulum whose time period is:

Question # 15

The SI unit of spring constant is identical with that of

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
2 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
3 The restoring force is _____ and 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
4 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
5 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
6 A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
7 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
8 Which one of the following is an example of SHM
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
9 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
10 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these

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