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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: - When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- A scooter is going round a circular road of radius 100 m at a speed of 10m/s
- Two small spherical shells A and B are given positive charges of 9C and 4C
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
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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
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- A scooter is going round a circular road of radius 100 m at a speed of 10m/s
- Two small spherical shells A and B are given positive charges of 9C and 4C
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
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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