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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
- A 220 volt and 1000 watt bulb is connected across a 110 volt mains supply.
- If force is proportional to square of velocity, then the dimension of proportionality
- Laser beams are used to measure long distance because
- Energy in a current carrying coil is stored in the form of
- A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal
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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