AP EAMCET Engineering 2018 Apr 24 Shift 1 Paper

The expression of speed of sound in gas is,
v=√

γRT1

M

v=√

( 5 3 )RT1

M

( For monoatomic gas, γ=

5

3

)...... (I)
The expression of speed of molecules is,
c=√

3RT2

M

...... (II)
From equation (I) and (II),

v

c

=√

( 5 3 )T1

3T2

v

c

=√

( 5 3 )(300)

3(400)

v

c

=√

5

12