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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 body, which emits radiations of all possible wavelengths, is known as
- When three identical bulbs of 60 W-200 V rating are connected in series to a 200 V
- What is the Q-value of the reaction? ¹H+⁷Li→⁴He+⁴He
- A disc of moment of inertia (9.8/π²) kg m² is rotating at 600 rpm. If the frequency
- A potentiometer wire is 100cm long and a constant potential difference is maintained
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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