Question

a gas in vessel is at pressure PO.if the masses of all the molecules be made half and their speed be made double then pressure
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Answer 1

Answer:

ANSWER

P=

3

1

V

mN

v

rms

2

∴p∝mv

rms

2

so

P

1

P

2

=

m

2

m

2

×(

v

1

v

2

)

2

=

m

1

m

1

/2

(

v

1

2v

1

)

2

=2

P

2

=2P

1

=2P

0

Hence,

option B is correct answer.