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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
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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 block slides from an inclination of 45°.If it takes time twice
- If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical
- A spring of spring constant 5 x 10³ Nm⁻¹ is streched intially by 5 cm from
- An electric kettle has two heating elements. One brings it to boil in ten minutes
- A glass flask weighing 390 g having internal volume 500 cc just floats
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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