| ⇦ | 
| ⇨ |
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: - Two identical cells of the same e.m.f. and same internal resistance
- An explosion blows a rock into three parts. Two parts go off at right angles to each other
- An LCR circuit contains resistance of 100 ohm and a supply of 200 volt at 300 radian
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
- If a charge on the body is 1nC, then how many electrons are present on the body?
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
- Two identical cells of the same e.m.f. and same internal resistance
- An explosion blows a rock into three parts. Two parts go off at right angles to each other
- An LCR circuit contains resistance of 100 ohm and a supply of 200 volt at 300 radian
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
- If a charge on the body is 1nC, then how many electrons are present on the body?
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