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The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy 0.5 J is
Options
(a) 6.626 x 10⁻³⁴ m
(b) 13.20 x 10⁻³⁴ m
(c) 10.38 x 10⁻²¹ m
(d) 6.626 x 10⁻³⁴ Å
Correct Answer:
6.626 x 10⁻³⁴ m
Explanation:
λ= h / √2mKE
= 6.626 x 10⁻³⁴ / √2 x 1 x 0.5
= 6.626 x 10⁻³⁴ m
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The trivial names of propanone and 3-methyl-2-butanone are
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
- Which one of the following does not involve coagulation
- Which one of the following metals is required as cofactor by all enzymes
- Heat produced on burning 6.3 g of a fule raises the temperature of 1.5 kg
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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