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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
- Maximum range for a projectile motion is given as R. The maximum height will be
- A particle is moving such that its position coordinates (x,y) are (2 m,3 m) at time
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- ₉₂U²³⁴ has 92 protons and 238 nucleons. It decays by emitting an alpha particle
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
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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