The mass of a moving photon is

This question was previously asked in
RPSC 2nd Grade Science - 2015 Official Paper
View all RPSC Senior Teacher Grade II Papers >
  1. hν/c2
  2. hν/c
  3. zero

Answer (Detailed Solution Below)

Option 1 : hν/c2
Free
RPSC Senior Grade II (Paper I): Full Test 1
5.1 K Users
100 Questions 200 Marks 120 Mins

Detailed Solution

Download Solution PDF

Explanation:

A moving photon has the mass that is given by:

\(E = mc^2\)

\(m = \frac{E}{c^2}\)     ------(1)

We know that the energy of the photon is 

\(E=h\nu\)     ------(2)

Combining (1) and (2)

\(m = \frac{E}{c^2}\)

\(m = \frac{h\nu}{c^2}\)

Latest RPSC Senior Teacher Grade II Updates

Last updated on Jul 19, 2025

-> The latest RPSC 2nd Grade Teacher Notification 2025 notification has been released on 17th July 2025

-> A total of 6500 vacancies have been declared.

-> The applications can be submitted online between 19th August and 17th September 2025.

-> The written examination for RPSC 2nd Grade Teacher Recruitment (Secondary Ed. Dept.) will be communicated soon.

->The subjects for which the vacancies have been released are: Hindi, English, Sanskrit, Mathematics, Social Science, Urdu, Punjabi, Sindhi, Gujarati.

More Dual Nature: Photon and Matter Waves Questions

Get Free Access Now
Hot Links: teen patti casino download teen patti bonus teen patti master purana teen patti tiger teen patti club