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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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Question Type: Memory
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle moves along with x-axis.The position x of particle with respect to time
- Dimensional formula of magnetic field in terms of mass M, length L
- 4 point charges each +q is placed on the circumference of a circle
- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
- An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min
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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