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Question

Question: For a gas, the r.m.s. speed at 800 K is-...

For a gas, the r.m.s. speed at 800 K is-

A

Four times the value at 200 K

B

Half the value at 200 K

C

Twice the value at 200 K

D

Same as at 200 K

Answer

Twice the value at 200 K

Explanation

Solution

vrms µ T\sqrt{T}