The root mean square speed of smoke particles of mass 5 10^ -17 kg in their Brownian motion in air at NTP is approximately. [Given k = 1.38 10^ -23 JK^ -1 ]

JEE Main 2022 Physics question

The root mean square speed of smoke particles of mass kg in their Brownian motion in air at NTP is approximately. [Given ]

Answer: (3)

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Question ID VK-035004