JEE Mains 02-Sep-2020 Shift 2 Solved Paper

Section: Physics

Question : 20 of 75

Marks: +1, -0

A particle is moving 5 times as fast as anelectron. The ratio of the de-Brogliewavelength of the particle to that of the electronis 1.878×10−4. The mass of the particle is closeto :

[2 Sep 2020 Shift 2]

4.8×10−27 kg
1.2×10−28 kg
9.1×10−31 kg
9.7×10−28 kg

Validate

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