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General Science MCQ practice free online · page 40

Questions from RRB, NTPC, Group D and JE past papers. Tap an option to check it instantly — every question shows the correct answer, and most carry the explanation the paper gave.

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  1. 391UPPSC2002General ScienceEnglish

    Sound waves

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    Correct option: D — can travel both in solid and gaseous medium

  2. 392UPPSC2008General ScienceEnglish

    The velocity of sound is maximum in

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    Correct option: C — Metal

  3. 393UPPSC2010General ScienceEnglish

    If Va, Vw and Vs respectively are the speed of sound in air, water and steel, then

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    Correct option: A — Va < Vw < Vs

  4. 394PPSC2018General ScienceEnglish

    Sound waves travel fastest in

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    Correct option: A — Solids

  5. 395UPPSC1990General ScienceEnglish

    In which of the following option sound may not be across travel?

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    Correct option: B — Vacuum

  6. 396UPPSC2014General ScienceEnglish

    Sound waves do not travel in

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    Correct option: D — Vacuum

  7. 397Meghalaya PSC2015General ScienceEnglish

    The walls of the ball, built for music concerts should

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    Correct option: D — Absorb sound

  8. 398UPPSC2007General ScienceEnglish

    To hear a clear echo, the minimum distance between the reflecting surface and the observer should be

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    Correct option: D — 16.5 metre

  9. 399RPSC2007General ScienceEnglish

    How much should minimum distance be between the source of sound and reflecting surface, so that an echo can be heard clearly?

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    Correct option: B — 17 metre

  10. 400BPSC1997General ScienceEnglish

    The velocity of sound in air is approximately

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    Correct option: C — 330 m/s

General Science practice — common questions

Page 40 of this set has 10 questions on it.

Are these General Science questions free to practise?
Yes. Every question on this page is free and needs no account. Create a free account only if you want your progress saved.
Where do these General Science MCQs come from?
They are taken from official past papers of Indian government recruitment exams such as RRB NTPC, RRB Group D and RRB JE, and each question keeps a reference to the exam it appeared in.
Are the questions available in Hindi?
Yes. Many papers are set in both languages, so a large share of these questions are available in Hindi. Use the language filter at the top of the page.
Do the questions show answers and explanations?
Every question shows the correct option. Where the source paper included a worked solution, the explanation is shown under "Show answer".
General Science MCQ for Government Job Exams — Free Online Practice — Page 40 | GyanPrep