Sound Test

Result

Sound Test - 9

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SHARING IS CARING

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Weekly Quiz Competition

Question 1
1 / -0

Which instrument always produces vibrations of the same frequency?

A
A speaker

B
A bell Jar

C
An electric bell

D
A tuning fork

Solution

A tuning fork always produces vibrations of the same frequency.
Question 2
1 / -0

How is a musical note characterized by?

A
Loudness

B
Pitch

C
Timbre

D
All of the above

Solution

A musical note is characterized by loudness, pitch, timbre (quality),
Question 3
1 / -0

On what factors does the frequency of sound depend in wind instruments?

A
The length of the air column

B
The breadth of the air column

C
The force with which the wind is blown

D
All of the above

Solution

In wind instruments, the frequency of the sound depends on the length of the air column.
Question 4
1 / -0

What happens to the pitch, when we tighten the strings of a guitar?

A
It increases

B
It decreases

C
It remains the same

D
It may increase or decrease

Solution

When we tighten the strings of a guitar, the frequency of vibration increases and high frequency sound has a high pitch.
Question 5
1 / -0

Which of the following correctly describes the pitch and the frequency of the sound of a girl's scream?

A
Low pitch, low frequency

B
Low pitch, high frequency

C
High pitch, low frequency

D
High pitch, high frequency

Solution

Pitch is the characteristic of sound that depends on the frequency of sound. Higher the pitch, greater is the frequency of the sound. Hence, higher the pitch, higher is the frequency.
Question 6
1 / -0

How does a whistle produce sound?

A
The body of whistle stores air.

B
The air vibrates.

C
The person produces vibrations.

D
All of the above

Solution

The vibrations produced in the air while blowing a whistle produces sound.
Question 7
1 / -0

A bomb explodes on the moon. How long will it take for the sound to reach the earth?

A
10 seconds

B
1000 seconds

C
1 day

D
Sound will not be heard

Solution

As there is no atmosphere on the moon, sound does not travel through vacuum.

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Re-Attempt Weekly Quiz Competition

Sound Test - 9

Result

Sound Test - 9

Score

-

Rank

-

SHARING IS CARING

Question 1

A speaker

A bell Jar

An electric bell

A tuning fork

Solution

Question 2

Loudness

Pitch

Timbre

All of the above

Solution

Question 3

The length of the air column

The breadth of the air column

The force with which the wind is blown

All of the above

Solution

Question 4

It increases

It decreases

It remains the same

It may increase or decrease

Solution

Question 5

Low pitch, low frequency

Low pitch, high frequency

High pitch, low frequency

High pitch, high frequency

Solution

Question 6

The body of whistle stores air.

The air vibrates.

The person produces vibrations.

All of the above

Solution

Question 7

10 seconds

1000 seconds

1 day

Sound will not be heard

Solution

User

Question Analysis

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Score

-

Rank

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Results Announcement on: coming Monday

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