Collision frequency of a gas at $1 a t m$ pressure is $Z$ . Its value at $0.5 a t m$ will be:

0.25 Z

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2 Z

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0.50 Z

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Z

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Solution

The correct option is C $Z$
$\to$ As the pressure increases collision frequency increases.
$\to$ Vice versa pressure is decreased to half, frequency of collision decreases to half.
Hence option $C$ is correct.

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Collision frequency of a gas at 1 atm pressure is Z. Its value at 0.5 atm will be:

The correct option is C Z→ As the pressure increases collision frequency increases.→ Vice versa pressure is decreased to half, frequency of collision decreases to half.Hence option C is correct.

Collision frequency of a gas at $1 a t m$ pressure is $Z$ . Its value at $0.5 a t m$ will be:

The correct option is C $Z$
$\to$ As the pressure increases collision frequency increases.
$\to$ Vice versa pressure is decreased to half, frequency of collision decreases to half.
Hence option $C$ is correct.