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Waves - Set 5 | NUST Entrance Test Physics | ClassNotes

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Waves

Set 5

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Mashaal Masha

Oct 13, 2022

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$In space, sound waves cannot travel because there is:$
$Sound waves having frequencies between 2k Hz and 4k Hz are called:$
$The ratio of speed of sound in hydrogen to the speed of sound in oxygen is:$

Choose the correct options for the following questions.

In space, sound waves cannot travel because there is:

Difficulty: Easy

A:

Air

B:

The ratio of speed of sound in hydrogen to the speed of sound in oxygen is:

C:

Light

D:

Vacuum

Sound waves having frequencies between 2k Hz and 4k Hz are called:

Difficulty: Easy

A:

Infrasonics

B:

Ultrasonics

C:

Threshold hearing

D:

None

The ratio of speed of sound in hydrogen to the speed of sound in oxygen is:

Difficulty: Easy

A:

4:1

B:

1:4

C:

8:1

D:

1:8

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postWaves - Set 1
postWaves - Set 2
postWaves - Set 3
postWaves - Set 4
postWaves - Set 6