SaralUPSC
  • Home
  • Blogs
  • Prelims Questions
  • Mains Questions
  • Tests
Start Free Test
SaralUPSC

Saral Preparation Pvt. Ltd.

Delhi, India

support@saralupsc.com

Toll Free: 1800 000 0000

Office Hours: 10 AM – 7 PM (All 7 days)

Company

  • About Us
  • Careers
  • Contact Us
  • Media
  • Sitemap

Products

  • Test Series
  • Live Quizzes
  • Notes
  • Videos
  • Blog

Useful Links

  • Prelims Questions
  • Mains Questions
  • Free Tests
  • Sign Up
  • Login

Follow us

© 2026 Saral Preparation Pvt. Ltd.. All rights reserved.

  • Privacy
  • Terms
  • User Policy
  1. Home
  2. /Prelims Questions
  3. /Miscellaneous
  4. /Question
Miscellaneous·2017·Easy

A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct?

A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct?

Options

  1. a.

    The wavelength of X-ray photon is less than the wavelength of visible radiation photon.

  2. b.

    Both the photons have different energies.

  3. c.

    The speeds of both the photons in vacuum are different.

    Correct answer
  4. d.

    The frequency of X-ray photon is higher than the frequency of visible radiation photon.

Share

  • Share on X
  • Share on WhatsApp
  • Share on LinkedIn

Related prelims questions

  • For election to the Lok Sabha, a nomination paper can be filed by

    Miscellaneous · Easy

  • In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a

    Miscellaneous · Easy

  • Which among the following events happened earliest ?

    Miscellaneous · Easy

  • An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?

    Miscellaneous · Easy