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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- As a result of interference of two coherent sources of light, energy is
- In the Young’s double slit experiment, the intensity of light at a point on the screen
- A particle of mass m is projected with a velocity v making an angle of 45°
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- A charged particle enters a uniform magnetic field with a certain speed at right angles
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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