Question

17. The velocity of sound in air is Vs. If the
density of air is doubled, then the velocity of
sound will be
​

Answer 1

Answer:

V

S

=

ρ

1

γ

air

p

V

S

′

=

ρ

2

γ

air

p

V

S

V

S

′

=

ρ

2

ρ

1

=

4×ρ

1

ρ

1

=

2

1

V

S

′

=V

S

/2