Physics Oscillations Online Mcqs Test

Q: How can I prepare for Physics Oscillations Online Mcqs Test?

You can prepare for Physics Oscillations Online Mcqs Test by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

1. In a progressive wave, the distance between two consecutive crests is

Question 2

2. In vibratory motion

Answer

Total energy remain constant

Answer

K.E. remain constant

Answer

P.E. remains constant

Answer

Total momentum remain constant

Question 3

3. In a simple harmonic oscillator, at the mean position

Answer

Kinetic energy is maximum, potential energy is minimum

Answer

Both kinetic and potential energies are minimum

Answer

Kinetic energy is minimum, potential energy is maximum

Answer

Both kinetic and potential energies are maximum

Question 4

4. A particle executes SHM. The graph of its velocity as a function of displacement is

Answer

A hyperbola

Answer

A straight line

Answer

An ellipse

Question 5

5. The waveform of simple harmonic motion will be

Answer

None of these

Answer

Saw tooth waveform

Answer

Square wave

Question 6

6. The relation for the displacement in SHM is

Answer

None of these

Answer

X = X₀ cos (ωt + φ)

Answer

X = X₀ sin ωt

Answer

X = X₀ cos ωt

Question 7

7. Natural frequency of simple pendulum depends upon

Answer

Its length

Answer

Square root of its length

Answer

Square of its length

Question 8

8. A vertical mass-spring system executes simple harmonic oscillations with a period of 2s A quantity of this system which exhibits simple harmonic variation with a period of 1s is

Answer

Potential energy

Answer

Difference between kinetic energy and potential energy

Answer

Phase difference between acceleration and displacement

Question 9

9. Two springs of spring constants 1500 N/m and 3000 N/m respectively are stretched with the same force. They will have potential energy in the ratio

Question 10

10. In which of the following lists are all three quantities constant when a particle moves in undamped simple harmonic motion?

Answer

Amplitude, angular frequency, acceleration

Answer

Total energy, amplitude, angular frequency

Answer

Angular frequency, Acceleration, force

Answer

Acceleration, force, total energy

Question 11

11. The frequency of these free oscillations is known as it s

Answer

None of these

Answer

Natural frequency

Answer

Minimum frequency

Answer

Maximum frequency

Question 12

12. When the displacement is half of the amplitude, the ratio of potential energy to the total energy is

Question 13

13. The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes

Question 14

14. The velocity of the body changes at different points, it is maximum at

Answer

Between mean and extreme position

Answer

Mean position

Answer

None of these

Answer

Extreme position

Question 15

15. Hook’s law is defined as

Answer

F and X has no relation

Answer

F and X are direct proportional

Answer

F and X are inverse proportional

Answer

None of these

Question 16

16. In a simple harmonic motion (SHM), which of the following does not hold?

Answer

The force on the particle is maximum at the ends

Answer

The acceleration is minimum at the mean position

Answer

The potential energy is maximum at the mean position

Answer

The kinetic energy is maximum at the mean position

Question 17

17. Phase of SHM describes

Answer

Displacement only

Answer

Neither displacement nor direction of motion

Answer

Both displacement and direction of motion

Answer

Direction of motion only

Question 18

18. The energy absorbed by a body is _________ at resonance.

Answer

Minimum only

Answer

Maximum only

Answer

Maximum as well minimum

Question 19

19. If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be

Question 20

20. A simple harmonic motion in which the

Answer

Acceleration is directed towards the mean position

Answer

All of these

Answer

Acceleration produced is due to restoring force

Answer

Acceleration is directly proportional to displacement

Question 21

21. The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body?

Question 22

22. A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if

Answer

The mass of the pendulum is decreased

Answer

The length of the pendulum is increased

Answer

The length of the pendulum is decreased

Answer

The mass of the pendulum is increased

Question 23

23. Phenomenon of resonance is very often employed to determine the

Answer

Wavelength of the various bodies

Answer

Wavelength of the various bodies

Answer

None of these

Answer

Amplitudes of the various bodies

Question 24

24. If a simple pendulum is shifted from Multan to Mount Everest, then its time period

Answer

Becomes zero

Answer

Remains constant

Question 25

25. If the magnitude of displacement is numerically equal to that of acceleration, then the time period is

Answer

4π second

Answer

2π second

Question 26

26. If the metal bob in a simple pendulum is replaced by a wooden bob, then its time period will

Answer

First A then B

Answer

Remain the same

Question 27

27. The speed of a particle executing SHM along a circular path is given by the relation

Answer

V = √r² – x²

Answer

None of these

Answer

V = ω√r² – x²

Answer

V = r² – x²

Question 28

28. At the frequency of 2450 MHz, the waves are absorbed due to resonance by

Answer

Water molecules

Answer

Fat molecules

Answer

All of these

Question 29

29. Which one of the following is a simple harmonic motion?

Answer

Ball bouncing between two rigid vertical walls

Answer

Particle moving in a circle with uniform speed.

Answer

Wave moving through a string fixed at both ends.

Answer

Earth spinning about its own axis

Question 30

30. To make the frequency double of an oscillator, we have to

Answer

Half the mass

Answer

Reduce the mass to one-fourth

Answer

Double the mass

Answer

Quadruple the mass

Question 31

31. The energy of the oscillation comes from the

Answer

Driving source

Answer

Applied force

Answer

Starting source

Answer

None of these

Question 32

32. The waves produced in microwave oven have a wavelength

Question 33

33. Two springs of spring constants k₁ and k₂ are joined in series. The effective spring constant of the combination is given by

Answer

(k₁ + k₂)/2

Answer

√k₁ k₂

Answer

k₁ + k₂

Answer

k₁ k₂/( k₁ + k₂)

Question 34

34. In energy conservation, when spring is stretched slowly so that acceleration is

Answer

None of these

Question 35

35. The restoring force applied on the pendulum

Answer

-mg sin θ

Answer

-mg cos θ

Question 36

36. S.I unit of frequency is

Answer

Vibration S¯²

Question 37

37. In a resonance striation, the driving force may be

Answer

Extra ordinarily large

Question 38

38. The effective component of Vp or the velocity of the particle is given by

Answer

X₀ ω cos θ

Answer

Vp sin (90° - θ)

Answer

All of these

Question 39

39. Identify the exact statement among the following:

Answer

The fractional change in the time period of a pendulum on changing the temperature is independent of the length of the pendulum.

Answer

A simple pendulum with a bob of mass M swings with an angular amplitude of 40°. When its angular amplitude is 20°, the tension in the string is less than Mg cos 20°.

Answer

The greater the mass of pendulum bob, the shorter is its frequency of oscillation

Answer

As the length of a simple pendulum is increased, the maximum velocity of its bob during its oscillation will also increase

Question 40

40. In which case does the potential energy decreases?

Answer

On moving a body against gravitational force

Answer

On stretching s spring

Answer

One the rising of an air bubble in water

Answer

On compressing a spring

Question 41

41. Simple harmonic motion is defined as the motion of a particle such that

Answer

Its acceleration is always ω²x₀ and its directed at right angles to its motion

Answer

Its acceleration is proportional to, and in the opposite direction to, the displacement

Answer

Its displacement x is always given by the expression x = x₀ sin ωt.

Answer

Its displacement x is related to its velocity b by the expression v = ωt.

Question 42

42. The potential energy of a spring executing SHM is given by the

Question 43

43. In a progressive wave, the distance between two consecutive crests is

Question 44

44. The vibrating bodies produce

Answer

Disturbance

Answer

All of these

Question 45

45. A pendulum suspended from the ceiling of a train has a period T when the train is at rest. When the train is accelerating with a uniform acceleration, the period of oscillation will

Answer

Remain unaffected

Answer

Become infinite

Question 46

46. In case of a simple pendulum the cause of damping is

Answer

Drag force of air

Answer

None of these

Answer

Tension is string

Question 47

47. In a seconds pendulum, mass of the bob is 30 gm. If it is replaced by 90 gm mass. Then its time period will be

Question 48

48. The tension in the string of a simple pendulum is

Answer

Zero in the mean position

Answer

None of these

Answer

Maximum in the extreme position

Question 49

49. The damped oscillations are produced due to

Answer

Air resistance

Answer

All of these

Answer

System friction

Answer

Frictional support of the system

Question 50

50. In a simple harmonic motion (SHM), which of the following does not hold?

Answer

The force on the particle is maximum at the ends

Answer

The acceleration is minimum at the mean position

Answer

The kinetic energy is maximum at the mean position

Answer

The potential energy is maximum at the mean position

Question 51

51. Frequency is the term used for

Answer

Number of vibration for second

Answer

None of these

Answer

Number of vibrations per minute

Answer

Time to take one Vibration

Question 52

52. If mass attached to a spring increases, then its time period

Answer

Remains constant

Answer

Becomes zero

Question 53

53. Forced vibration are known as

Answer

Free vibration

Answer

Natural vibration

Answer

Driven harmonic vibration

Answer

Simple harmonic vibration

Question 54

54. The total energy of a particle, executing simple harmonic moron is

Answer

Independent of x

Question 55

55. The body oscillates due to a

Answer

Applied force

Answer

None of these

Answer

Restoring force

Answer

Frictional force

Question 56

56. One vibration means, the motion of mass from its

Answer

From extreme position

Answer

Means position to upper extreme position

Answer

All of these

Answer

From means position to back to its means position

Question 57

57. In vibratory motion which parameter remains constant?

Answer

Angular Momentum

Answer

P.E. Energy

Answer

Total Energy

Answer

K.E. Energy

Question 58

58. The type of motion in which an oscillating disturbance is transmitted from one position to the next without the actual rectilinear translation of the particles of the medium is called

Answer

Rotatory motion

Answer

Periodic motion

Answer

Wave motion

Answer

Rectilinear motion

Question 59

59. Turning of a radio set is an example of

Answer

Musical resonance

Answer

Mechanical resonance

Answer

Electrical resonance

Answer

Free vibration

Question 60

60. In case of a forced vibration, the resonance becomes very sharp when the

Answer

Applied periodic force is small

Answer

Damping force is small

Answer

Quality factor is small

Answer

Restoring force is small

Question 61

61. When a body movies in a circle, its projection performs what type of motion?

Answer

Circular Motion

Answer

Rectilinear Motion

Answer

Simple Harmonic Motion

Answer

Angular Motion

Question 62

62. In case of a vibrating Pendulum, the potential energy is maximum at

Answer

Both a and b

Answer

Mean Position

Answer

Extreme Position

Question 63

63. The work done is stretching spring appears as elastic potential energy of the spring is

Answer

P.E. = ½ KX²

Answer

P.E. = ½ K²X²

Answer

P.E. = ½ KX₀²

Answer

None of these

Question 64

64. A simple pendulum is defined as

Answer

All of these

Answer

Friction less support

Answer

Light inextensible string

Answer

Small heavy mass

Answer 181

P.E.max 1.2 KX₀²

Answer 182

P.E.max 1.2 K² X

Answer 183

P.E.max 1.2 KX²

Answer 184

None of these

Answer 185

Reduce the mass to one fourth

Answer 186

Double the mass

Answer 187

Quadruple the mass

Answer 188

Half the mass

Answer 189

Square of amplitude

Answer 190

4 x amplitude

Answer 191

2 x amplitude

Answer 192

F α – x

Answer 193

V α – x

Answer 194

A α – x

Answer 195

Three times

Answer 196

Nine times

Answer 197

Four times

Answer 198

The velocity and displacement if the vibrating particle are in the same phase

Answer 199

The acceleration of the vibrating particle is ahead of displacement by a phase of π.

Answer 200

The velocity and acceleration of the vibrating particle are in the same phase.

Answer 201

The velocity of the vibrating particle is ahead in phase of the displacement by and angle π.

Answer 202

To and fro

Answer 203

Vibratory motion

Answer 204

Periodic motions

Answer 205

All of these

Answer 206

All of these

Answer 207

Becomes one half

Answer 208

Become on fourth

Answer 209

Remains same

Answer 210

Becomes Double

Answer 211

The length of the pendulum is decreased

Answer 212

The mass of the pendulum is increased

Answer 213

The mass of the pendulum is decreased

Answer 214

The length of the pendulum is increased

Answer 215

Time period will decrease

Answer 216

Time period will increase

Answer 217

Time period will not change

Answer 218

Time period will depend on the weight of the boy.

Answer 219

None of these

Answer 220

Free vibrations

Answer 221

Powerful vibration

Answer 222

Forced vibration

Answer 223

Doppler’s effect

Answer 224

Time period

Answer 225

Wavelength

Answer 226

None of these

Answer 227

None of these

Answer 228

Half way between them

Answer 229

Displacement is maximum

Answer 230

Crossing mean position

Answer 231

Force constant

Answer 232

Becomes zero

Answer 233

Remains constant

Answer 234

Both a and b

Answer 235

Mean position

Answer 236

Extreme position

Answer 237

Oscillation

Total Questions:	87
Time Allowed:	40 Minutes
Total Marks:	87
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	Physics Test ECAT Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Physics Interview Question Answer

Physics Oscillations Online Mcqs Test

Important Oscillations Question and Answer

Physics Oscillations Practice Test Online With Explanation

Physics

How to Score High in Physics Oscillations Online Mcqs Test?

Key Preparation Tips:

More Related Resources

Maan Ali

3 Comments

Leave a Reply Cancel reply

Important Oscillations Question and Answer

Physics Oscillations Practice Test Online With Explanation

Physics

How to Score High in Physics Oscillations Online Mcqs Test?

Key Preparation Tips:

More Related Resources

Latest Updates

Maan Ali

3 Comments

Leave a Reply Cancel reply