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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
Related Questions: - For an ideal gas of diatomic molecules
- Two identical long conducting wires AOB and COD are placed at right angle
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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
- For an ideal gas of diatomic molecules
- Two identical long conducting wires AOB and COD are placed at right angle
- An electron in hydrogen atom makes a transition n₁ → n₂
- If the ratio of amplitude of two superposed waves is 2:1, then the ratio of maximum
- When two identical capacitors are in series, they have 3 μF capacitance
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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