Unit - 6.2 Reflection and Characteristics of Sound - ICSE STD 7 PHYSICS Questions - Vidyadip

Question types

Unit - 6.2 Reflection and Characteristics of Sound question types

32 questions across 5 question groups — pick any mix to generate a PHYSICS paper with step-by-step answer keys.

32

Questions

5

Question groups

5

Question types

MCQ

[1 Mark Question Answer]

[2 Mark Question Answer]

fill in the blanks.

Match The Following.

Sample Questions

Unit - 6.2 Reflection and Characteristics of Sound questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark

A pure sound of single frequency is called :

A
note
✓
tone
C
pitch
D
timbre

Answer: B.

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Q 2MCQ1 Mark

Pitch is the effect produced in the ear due to sound of some particular :

A
amplitude
✓
frequency
C
time period
D
waveform

Answer: B.

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Q 3MCQ1 Mark

Loudness of sound depends on its :

A
frequency
✓
amplitude
C
time period
D
waveform

Answer: B.

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Q 4MCQ1 Mark

The frequency of infrasonic waves is :

✓
less than 20 Hz
B
between 20 and 10,000 Hz
C
between 20 and 20,000 Hz
D
above 20,000 Hz

Answer: A.

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Q 5MCQ1 Mark

The time taken by a vibrating body to complete one vibration is called :

A
wavelength
B
frequency
✓
time period
D
amplitude

Answer: C.

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Q 6[1 Mark Question Answer]1 Mark

Define sound-proof box.

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Q 7[1 Mark Question Answer]1 Mark

Define the following terms :Audible sound

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Q 8[1 Mark Question Answer]1 Mark

Define time period and its SI unit.

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Q 9[1 Mark Question Answer]1 Mark

Define frequency and its SI unit.

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Q 10[1 Mark Question Answer]1 Mark

What is meant by amplitude?

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Q 11[2 Mark Question Answer]2 Marks

On what factor does quality of sound depend? Explain briefly.

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Q 12[2 Mark Question Answer]2 Marks

What is meant by quality of sound?

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Q 13[2 Mark Question Answer]2 Marks

State differences between loudness and pitch of the sound.

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Q 14[2 Mark Question Answer]2 Marks

Define pitch of sound. How does it depend on the frequency of the sound?

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Q 15[2 Mark Question Answer]2 Marks

Define loudness of sound. How does it depend on the amplitude of the sound?

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Q 16fill in the blanks.1 Mark

Sonar is used to determine the ___________ of ocean bed.

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Q 17fill in the blanks.1 Mark

The bouncing off of sound energy, on striking a hard surface, into the same medium is called ___________ of sound.

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Q 18fill in the blanks.1 Mark

Dolphins use ___________ sound to locate their prey.

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Q 19fill in the blanks.1 Mark

The SI unit of frequency is ___________ .

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Q 20fill in the blanks.1 Mark

The maximum displacement of a vibrating body from its mean position is called its ___________ .

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Q 21Match The Following.5 Marks

Column A		Column B
1.	Time taken to complete one vibration.	(a)	Ultrasound
2.	The effect produced in the ear due to sound of some particular frequency.	(b)	Reflection of sound
3.	The bouncing off of sound from hard surface.	(c)	Frequency
4.	Number of vibrations made by a body in one second.	(d)	Pitch
5.	The sound of frequencies more than 20,000 Hz.	(e)	Time period

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