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8th Chapter

### 11th Class Physics Chapter 8 Test

Here you can prepare 11th Class Physics Chapter 8 Waves Test. Click the button for 100% free full practice test.

## First Year Physics Chapter 8 Online MCQ Test for 1st Year Physics Chapter 8 (Waves)

This online test contains MCQs about following topics:

- Progressive Waves - Periodic Waves - Speed of Sound in Air - Principle of Superposition - Interference - Beats - Reflection of waves - Stationary waves - Stationary waves in a Stretched String - Stationary Waves in Air Columns - Doppler Effect

ICS Part 1 Physics Ch 8 Test

### First Year Physics Chapter 8 Online MCQ Test for 1st Year Physics Chapter 8 (Waves)

1 The pitch of sound deepens upon
• A. Intensity of sound
• B. Loudness of sound
• C. Wavelength of sound
• D. Frequency of sound
2 When the amplitude of a wave become double, its energy becomes
• A. One half
• B. Two times
• C. Three times
• D. Four times
3 The speed of sound in air does not depend upon
• A. Temperature
• B. Pressure
• C. Density
• D. Medium
4 the velocity of sound at 0 <sup>o</sup>C is 332 ms-1, the velocity of sound at 10 <sup>o</sup>C will be
• A. 337.1 ms-1
• B. 338.1 ,ms-1
• C. 342.1 ms-1
• D. 328.1 ms-1
5 In transverse waves the particles of medium vibrate
• A. Along the direction of wave
• B. Opposite to direction of wave
• C. Perpendicular to direction of wave
• D. Slowly
6 10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be
• A. 1 Hz
• B. 2 Hz
• C. 5 Hz
• D. 10 Hz
7 In stationary waves the points which always remain at rest are.
• A. Nodes
• B. Antinodes
• C. Crest
• D. Trough
8 When the amplitude of a wave is increase to doubled is energy.
• A. Remain the same
• B. Increases 4 times
• C. Increases by two times
• D. Decreases by half
9 Wavelength of a wave for closed pipe having length 'l' in the fundamental mode is.
• A. 2 l
• B. 1/2
• C. 4 l
• D. l
10 If a stretched string 4 m long and it has 4 loops of stationary waves, then the wave length is.
• A. 1m
• B. 2 m
• C. 3 m
• D. 4 m

### Top Scorers of 11th Class Part 1 Physics Chapter 8 Test Online

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#### Maroosha Nisar

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