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

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

2 / 20

Intensity of faintest sound is

3 / 20

The study of sound is called

4 / 20

Sound can travel only in presence of

5 / 20

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

6 / 20

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

7 / 20

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

8 / 20

Intensity of loudest audible sound is

9 / 20

The amplitude of 100 dB sound is:

10 / 20

Intensity of whispering is ______

11 / 20

Sound is ___________ Wave

12 / 20

Loudness of sound depends on

13 / 20

Sound is produced by

14 / 20

Intensity is a _____ quantity.

15 / 20

The intensity of sound depends on the _________ of sound.

16 / 20

Pitch of sound depends on

17 / 20

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

18 / 20

Frequency of silent whistle lies between

19 / 20

1 bell is equal to

20 / 20

Voice of Child is _____

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Practice MCQs Test No 2

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341

Class 10 Physics

Chapter 11

Practice MCQs Test No 2

1 / 20

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

2 / 20

Such sound which are pleasant to our ears are called _____________

3 / 20

Bats can hear frequencies up to ______

4 / 20

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

5 / 20

Multiple reflections are called

6 / 20

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

7 / 20

The speed of sound in air was first accurately measured in

8 / 20

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

9 / 20

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

10 / 20

Mice can hear frequencies up to:

11 / 20

We hear sound produce by musical instrument such as

12 / 20

The level of noise recommended in most of countries is:

13 / 20

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

14 / 20

Such sounds which are unpleasant to our ears are called:

15 / 20

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

16 / 20

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

17 / 20

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

18 / 20

Echo of sound is:

19 / 20

The speed of sound varies with

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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290

Class 10 Physics

Chapter 11

Practice MCQs Test No 3

1 / 19

Sound waves with frequency less than 20Hz are called:

2 / 19

Which bird fly easily between wires in the black room?

3 / 19

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

4 / 19

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

5 / 19

Which are the acoustic protection except

6 / 19

Old people cannot hear sound even above

7 / 19

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

8 / 19

Ultrasonics are used to measure the depth of water by ______

9 / 19

Bats can hear frequency up to

10 / 19

Noise corresponds to _____________ vibrations.

11 / 19

Noise has negative effects on human health it cause except

12 / 19

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

13 / 19

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

14 / 19

Ultrasound is the frequency of sound higher than

15 / 19

Audible frequency range is

16 / 19

By ultrasonic waves ______ are destroyed.

17 / 19

By which waves small cracks can appear:

18 / 19

Infrasonic is the frequency of sound less than

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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