VKC ScienceChemistry for written exams Telegram

UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2021 · Paper I, General Studies · Q64 of 120

Geo-Scientist Prelims 2021 General Studies Q64: A ray of light strikes a glass slab (from air). Which one of the…

QuestionPhysics / refraction

A ray of light strikes a glass slab (from air). Which one of the following is NOT correct?

  1. (a) The speed of light in glass is less than that in air
  2. (b) The frequency of light in glass is same as that in air
  3. (c) The wavelength of light in glass is less than that in air
  4. (d) The frequency of light in glass is less than that in air

Part of VKC Basic

Read the answer and its explanation with VKC Basic

VKC Basic (₹999 for 6 months) opens every solved answer, the notes, the handbook and the daily answer archive. Every Mains test series includes it.

See what is included Already a member? Sign in

Take this paper offlineAll 120 questions with answers and explanations in one PDF.
Download PDFJoin Telegram