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If h is planck’s constant and λ is wavelength, h/λ has dimensions of
Options
(a) momentum
(b) energy
(c) mass
(d) velocity
Correct Answer:
momentum
Explanation:
Dimension of Planck’s constant = ML²T⁻¹
Dimension for wavelength = L
h/λ = MLT⁻¹
Which is same as that of dimension of momentum
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
- If two charges +4e and +e are at a distance x apart, then at what distance charge q
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- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- The half-life period of a radio-active element X is same as the mean life time
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Physical World and Measurement (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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