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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
- Four indentical thin rods each of mass M and length l, form a square frame
- An elevator car whose floor to ceiling distance is equal to 2.7m starts
- An open knife edge of mass 200g is dropped from height 5m on a cardboard
- The conducting loop in the form of a circle is placed in a uniform magneitc field
- A body of mass 10 kg is moving on an inclined plane of inclination 30°with an acceleration
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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