| ⇦ | 
| ⇨ |
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: - The ratio of longest wavelength corresponding to Lyman and Blamer series
- The temperature at which the vapour pressure of a liquid becomes equal to the external
- In a vaccum triode the function of grid voltage is
- The photoelectric threshold frequency of a metal is ν. When light of frequency 4ν
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
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
- The ratio of longest wavelength corresponding to Lyman and Blamer series
- The temperature at which the vapour pressure of a liquid becomes equal to the external
- In a vaccum triode the function of grid voltage is
- The photoelectric threshold frequency of a metal is ν. When light of frequency 4ν
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
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
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply