Sound Mock Tests

42 questions available

Sound Mock Test 1

Questions: 30

Sound Mock Test 2

Questions: 12

Sample Questions

Class 8 Science

The loudness of sound is measured in which unit?

A Hertz

B Decibel

C Metre

D Second

Class 8 Science

The frequency of a sound determines its:

A Loudness

B Pitch

C Volume

D Duration

Class 9 Science

A sound wave has a frequency of 2 kHz and a wavelength of 15 cm. How long will it take to travel 3 km?

A 2 seconds

B 10 seconds

C 1 second

D 20 seconds

Class 9 Science

A wave has a wavelength of 0.5 m and a frequency of 200 Hz. How much time does it take to travel 500 m?

A 10 s

B 5 s

C 0.005 s

D 50 s

Class 8 Science

The SI unit of sound intensity (loudness) is:

A Hertz

B Decibel

C Watt

D Amperes

Class 8 Science

Which of the following is the correct order of parts of the ear that sound passes through?

A Eardrum → cochlea → auditory nerve → outer ear

B Outer ear → eardrum → bones of middle ear → cochlea

C Cochlea → outer ear → eardrum → auditory nerve

D Outer ear → cochlea → eardrum → auditory nerve

Class 8 Science

What is the unit of loudness of sound?

A Hertz

B Decibel

C Watt

D Joule

Class 9 Science

A sound wave has a frequency of 500 Hz and wavelength of 0.66 m. How long will it take to travel 330 m?

A 0.5 s

B 1 s

C 2 s

D 1.5 s

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