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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
(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
- A radioactive sample S₁ having an activity of 5 μCi has twice the number of nuclei
- An air core solenoid has 1000 turns and is one meter long. Its cross sectional area
- At what distance from the centre of earth, the value of acceleration due to gravity
- Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
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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