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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370

Class 10 Physics

Chapter 11

Practice MCQs Test No 1

1 / 20

1 bell is equal to

2 / 20

Frequency of silent whistle lies between

3 / 20

The study of sound is called

4 / 20

Voice of Child is _____

5 / 20

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

6 / 20

Pitch of sound depends on

7 / 20

Intensity of faintest sound is

8 / 20

Sound is ___________ Wave

9 / 20

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

10 / 20

Intensity of loudest audible sound is

11 / 20

Sound can travel only in presence of

12 / 20

Sound is produced by

13 / 20

Intensity is a _____ quantity.

14 / 20

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

15 / 20

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

16 / 20

Intensity of whispering is ______

17 / 20

The amplitude of 100 dB sound is:

18 / 20

Loudness of sound depends on

19 / 20

The intensity of sound depends on the _________ of sound.

20 / 20

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

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Practice MCQs Test No 2

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239

Class 10 Physics

Chapter 11

Practice MCQs Test No 2

1 / 20

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

2 / 20

We hear sound produce by musical instrument such as

3 / 20

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

4 / 20

Multiple reflections are called

5 / 20

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

6 / 20

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

7 / 20

The speed of sound varies with

8 / 20

Such sound which are pleasant to our ears are called _____________

9 / 20

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

10 / 20

Echo of sound is:

11 / 20

Mice can hear frequencies up to:

12 / 20

The level of noise recommended in most of countries is:

13 / 20

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

14 / 20

Such sounds which are unpleasant to our ears are called:

15 / 20

The speed of sound in air was first accurately measured in

16 / 20

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

17 / 20

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

18 / 20

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

19 / 20

Bats can hear frequencies up to ______

20 / 20

The sensation of sound persists in our brain for about

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Practice MCQs Test No 3

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203

Class 10 Physics

Chapter 11

Practice MCQs Test No 3

1 / 19

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

2 / 19

By which waves small cracks can appear:

3 / 19

Old people cannot hear sound even above

4 / 19

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

5 / 19

Noise corresponds to _____________ vibrations.

6 / 19

Infrasonic is the frequency of sound less than

7 / 19

By ultrasonic waves ______ are destroyed.

8 / 19

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

9 / 19

Audible frequency range is

10 / 19

Sound waves with frequency less than 20Hz are called:

11 / 19

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

12 / 19

Which are the acoustic protection except

13 / 19

Bats can hear frequency up to

14 / 19

Ultrasonics are used to measure the depth of water by ______

15 / 19

Which bird fly easily between wires in the black room?

16 / 19

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

17 / 19

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

18 / 19

Noise has negative effects on human health it cause except

19 / 19

Ultrasound is the frequency of sound higher than

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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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