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64. The r.m.s. speed of the molecules of a gas at a pressure

105 Pa and 0°C temperature  is 0.5 km sec-1 If the pressure is kept constant but temperature is raised to 819°C, the velocity will become

(a) 1.5 kms–1                                   (b)  2 kms–1

(c)   5 kms–1                                    (d)  1 kms–1

Answer-d

(8)

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