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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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Difficulty Level: Easy
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the equation y=asin(?t+kx),the dimensionals formula of ? is
- In a water fall, the water falls from a height of 100 m. If the entire kinetic energy
- The ferromagnetic substance is
- A current of 5 A is flowing at 220 V in the primary coil of a transformer. If the voltage
- A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m
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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