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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
- Light from the constellation Virgo is observed to increase in wavelength by 0.4%
- A bar magnet of magnetic moment M is placed at right angles to a magnetic
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- In a Rutherford scattering experiment when a projectile of charge Z₁ and mass M₁
- A point source is kept at a distnace 1000m has an illumination I. To change the illumination
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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