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Physics-Kinetic Interpretation of Temperature

NEET Physics Kinetic Interpretation of Temperature MCQ Question

Type: MCQ-numerical-Easy-Class 11

What is the root mean square (rms) speed of a gas molecule at a temperature of T = 300 K, if the mean square speed ⟨v2⟩\langle v^2 \rangle is given as 266256 m²/s²?

A

516 m/s

B

5160 m/s

C

266 m/s

D

2662 m/s

Correct Answer

Option A

Detailed Explanation

The rms speed vrmsv_{rms} is the square root of the mean square speed ⟨v2⟩\langle v^2 \rangle. Given ⟨v2⟩=266256\langle v^2 \rangle = 266256 m²/s², vrms=266256=516v_{rms} = \sqrt{266256} = 516 m/s.

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