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The average kinetic energy of the molecu...

The average kinetic energy of the molecules of an ideal gas at `10 ^@ C` has the value (E). The temperature at which the kinetic energy of the same gas becomes (2 E) is.

A

`5^@ C`

B

`10^@ C`

C

`40^@ C`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
`E prop T`
`:. (T_2)/(T_1) = (E_2)/(E_1) = (2 E)/E = 2`
`:. T_2 = 2 T_1 = 2(273 + 10) `
= `566 K = 293^@ C`.
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