Physics 10 Unit 11 MCQs Tests

In this post, we have prepared 3 MCQs tests of Federal Board Physics 10 Unit 11 MCQs Tests. For more Class 10 Physics MCQs Tests visit this page.


Physics 10 Unit 11 MCQs Tests


Practice MCQs Test No 1

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Class 10 Physics

Chapter 11

Practice MCQs Test No 1

1 / 20

Pitch of sound depends on

2 / 20

1 bell is equal to

3 / 20

The study of sound is called

4 / 20

_________ is the characteristic of sound by which we can distinguish between a shrill and a grave sound.

5 / 20

Intensity of whispering is ______

6 / 20

Sound can travel only in presence of

7 / 20

Voice of Child is _____

8 / 20

Frequency of silent whistle lies between

9 / 20

The loudness of sound is directly proportional to logarithm of intensity, this law is called ________

10 / 20

Intensity of faintest sound is

11 / 20

The intensity of sound depends on the _________ of sound.

12 / 20

Intensity is a _____ quantity.

13 / 20

Distance between two consecutive compressions and rarefactions is the _____________ of sound wave.

14 / 20

The amplitude of 100 dB sound is:

15 / 20

By using a/an __________ we can see sound wave.

16 / 20

Sound is ___________ Wave

17 / 20

Characteristic by which we can distinguish between two sounds of same loudness and pitch is called

18 / 20

Sound is produced by

19 / 20

Loudness of sound depends on

20 / 20

Intensity of loudest audible sound is

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Practice MCQs Test No 2

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541

Class 10 Physics

Chapter 11

Practice MCQs Test No 2

1 / 20

Echo of sound is:

2 / 20

Such sounds which are unpleasant to our ears are called:

3 / 20

Such sound which are pleasant to our ears are called _____________

4 / 20

Compressions are places where air is slightly ____________ than the surrounding air.

5 / 20

We hear sound produce by musical instrument such as

6 / 20

The speed of sound in air was first accurately measured in

7 / 20

The speed of sound in air at 2 atm pressure and at room temperature (21°C) is

8 / 20

_______ corresponds to irregular and sudden vibrations produced by some sound.

9 / 20

Multiple reflections are called

10 / 20

The sensation of sound persists in our brain for about

11 / 20

The speed of sound in solid is about _____ times that in gases.

12 / 20

Rarefactions are places where air is slightly _____________ than the surrounding air.

13 / 20

The speed of sound in solid is _____ than liquid and air.

14 / 20

The method used to absorb undesirable sound by soft and porous surface is called:

15 / 20

For hearing distinct echoes, the minimum distance of obstacle from source of source of sound must be

16 / 20

Mice can hear frequencies up to:

17 / 20

The speed of sound varies with

18 / 20

Bats can hear frequencies up to ______

19 / 20

The level of noise recommended in most of countries is:

20 / 20

For a normal person audible frequency range for sound wave lie between

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Practice MCQs Test No 3

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451

Class 10 Physics

Chapter 11

Practice MCQs Test No 3

1 / 19

Noise corresponds to _____________ vibrations.

2 / 19

Sound waves with frequency less than 20Hz are called:

3 / 19

______  waves carry more energy and higher frequency than sound waves.

4 / 19

By which waves small cracks can appear:

5 / 19

Infrasonic is the frequency of sound less than

6 / 19

According to wave equation v = fλ the wavelength of ultra sonic waves are:

7 / 19

Noise has negative effects on human health it cause except

8 / 19

Which are the acoustic protection except

9 / 19

When the frequency of a sound wave is increased which of following decreases?

10 / 19

By ultrasonic waves ______ are destroyed.

11 / 19

Audible frequency range is

12 / 19

Ultrasound is the frequency of sound higher than

13 / 19

Old people cannot hear sound even above

14 / 19

Which bird fly easily between wires in the black room?

15 / 19

Powerful ultrasound is now being used to remove blood clots from:

16 / 19

The range of the frequency which human, ear can hear is called

17 / 19

Ultrasonics are used to measure the depth of water by ______

18 / 19

Bats can hear frequency up to

19 / 19

Ultrasonics are used to locate under-water depth. This technique is called:

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3 Comments

  1. This quiz is quite interesting but the fact is in board exam they dont ask about the scientist name or the year of invention according to slos

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