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

Intensity of loudest audible sound is

2 / 20

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

3 / 20

Sound is ___________ Wave

4 / 20

Pitch of sound depends on

5 / 20

1 bell is equal to

6 / 20

The study of sound is called

7 / 20

The amplitude of 100 dB sound is:

8 / 20

Voice of Child is _____

9 / 20

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

10 / 20

Frequency of silent whistle lies between

11 / 20

The intensity of sound depends on the _________ of sound.

12 / 20

Intensity of whispering is ______

13 / 20

Sound can travel only in presence of

14 / 20

Intensity of faintest sound is

15 / 20

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

16 / 20

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

17 / 20

Intensity is a _____ quantity.

18 / 20

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

19 / 20

Sound is produced by

20 / 20

Loudness of sound depends on

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Practice MCQs Test No 2

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308

Class 10 Physics

Chapter 11

Practice MCQs Test No 2

1 / 20

Echo of sound is:

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Such sound which are pleasant to our ears are called _____________

3 / 20

Multiple reflections are called

4 / 20

The sensation of sound persists in our brain for about

5 / 20

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

6 / 20

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

7 / 20

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

8 / 20

The level of noise recommended in most of countries is:

9 / 20

Such sounds which are unpleasant to our ears are called:

10 / 20

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

11 / 20

Bats can hear frequencies up to ______

12 / 20

We hear sound produce by musical instrument such as

13 / 20

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

14 / 20

The speed of sound varies with

15 / 20

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

16 / 20

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

17 / 20

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

18 / 20

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

19 / 20

Mice can hear frequencies up to:

20 / 20

The speed of sound in air was first accurately measured in

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Practice MCQs Test No 3

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249

Class 10 Physics

Chapter 11

Practice MCQs Test No 3

1 / 19

Which bird fly easily between wires in the black room?

2 / 19

Old people cannot hear sound even above

3 / 19

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

4 / 19

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

5 / 19

Audible frequency range is

6 / 19

Ultrasonics are used to measure the depth of water by ______

7 / 19

By ultrasonic waves ______ are destroyed.

8 / 19

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

9 / 19

Ultrasound is the frequency of sound higher than

10 / 19

Bats can hear frequency up to

11 / 19

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

12 / 19

Sound waves with frequency less than 20Hz are called:

13 / 19

Infrasonic is the frequency of sound less than

14 / 19

Which are the acoustic protection except

15 / 19

Noise has negative effects on human health it cause except

16 / 19

Noise corresponds to _____________ vibrations.

17 / 19

By which waves small cracks can appear:

18 / 19

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

19 / 19

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

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4 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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