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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle executing SHM with amplitude of 0.1 m. At a certain instant,
- The heat dissipated in a resistance can be obtained by measuring of resistance,
- Two electrons are separated by a distance of 1Å. What is the coulomb force between them?
- The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by
- 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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