Physics
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Physics questions with answers

2,629 multiple-choice questions. Open any question for its answer and explanation.

Questions asked in State PSC and UPSC prelims, by topic. Each topic also has notes to read.

Read the notes: Space →

  1. Which two competing effects determine the size of a star?Asked in UPSC Geoscientist 2022
  2. The Brightness of a star depends on ______.Asked in GPSC Prelims CSP 2 2019
  3. The brightness of a star depends on itsAsked in UPSC NDA 1 2016
  4. How long does light take to reach the Earth from the Sun ?Asked in UPSC NDA 2 2017
  5. Consider the following statements : Statement-I : Giant stars live much longer than dwarf stars. Statement-II : Compared to dwarf stars, giant stars have a greater rate of nuclear reactions. Which one of the following is correct in respect of the above statements ?Asked in UPSC IAS 2024
  6. The colour of the Star is an indication of itsAsked in UPPCS Prelims 2005
  7. Light from the Sun reaches Earth in about:Asked in UPPSC Upper Mains 2006
  8. Which one of the following statements is correct with reference to our solar system?Asked in UPPCS Prelims 2002
  9. Which one of the following stars is nearest to the earth?Asked in UPPCS Prelims 1997
  10. ‘Diamond Ring’ is a phenomenon observedAsked in UPPCS Prelims 1996
  11. Noise in temperature of Sun compared to Earth is more than ______ K.Asked in WBCS Main Paper 4 2023
  12. Which of the following parts of the Sun is visible to human?Asked in AM AEGCL GS 13 2023
  13. What is a Supernova A) an asteroid B) a black hole C) a comet D) a dying starAsked in ASSISTANT AUDIT OFFICER 2017 18 2017