If h is planck’s constant and λ is wavelength, h/λ has dimensions of

⇦

⇨

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:

1. what is the de-Broglie wavelength of the electron accelerated through a potential
2. In common base circuit of a transistor, current amplification factor is 0.95.
3. If h is the height of the capillary rise and r be the radius of capillary tube,
4. The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights
5. A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series

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