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: Sound →

1. The time of reverberation of a hall can be decreased byAsked in TNPSC CS Prelims 2019
2. The walls of the hall built for music concerts shouldAsked in UPPSC Upper Mains 2007
3. The noise level during plane take off is aroundAsked in WBCS Main Paper 4 2019
4. In concert halls, soft materials and carpets are used toAsked in Civil Engg GA 24 2023 CO 1505 2024
5. The property of the sound waves that determines the pitch of the sound is itsAsked in UPSC CDS 1 2020
6. The frequency (in Hz) of a note that is one octave higher than 500 Hz isAsked in UPSC CDS 2 2019
7. The pitch of a sound wave depends upon which one of its following characteristics ?Asked in UPSC CDS 2 2022
8. The intensity of a normal conversation in decibel is between :Asked in HPPSC HPAS Prelims 2018
9. एक सिामान्™ बातचीत की तीव्रता डेसिीबल में इनमें सिे ͩकसिके बीच रहती है ?Asked in HPPSC HPAS Prelims 2018
10. What is the audible range (hearing range) of humans?Asked in MPPSC CS Prelims 2018
11. The loudness of sound is related to:Asked in UPSC NDA 2 2015
12. The following six (6) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below. Statement I : The pitch of the sound wave depends upon its frequency. Statement II : The loudness of the sound wave depends upon its amplitude.Asked in UPSC NDA 2 2018
13. The loudness of sound depends upon theAsked in UPSC NDA 2 2019
14. When the pitch of sound increases, which one of the following increases?Asked in UPSC NDA 2 2022
15. Which of the following represents the decibel level of rustling of tree leaves in normal circumstance?Asked in UPPCS Prelims 2018
16. Which one among the following statements regarding sound is correct ?Asked in UPSC CISF AC EXE 2023
17. Voice of your friend can be recognized by itsAsked in WBPSC CS Prelims 2019
18. Decibel unit is used to measureAsked in UPPSC Upper Mains 2011
19. A noise level of 100 decibels would correspond toAsked in UPPCS Prelims 2000
20. What is the decibel level of sound produced by two person in conversationAsked in RPSC RAS Prelims 2003
21. The optimum sound level for human being is:Asked in RPSC RAS Prelims 2012
22. can be defined as the number of cycles which a sounding body makes in each unit of time. - - -Asked in Asst. Town Planner 2022
23. The quality of sound depends uponAsked in ae 2020
24. The loudness of a sound wave is determined by itsAsked in Assistant Conservator of Forest (ACF) 2012
25. ‘Decibel’ is the unit of :Asked in Draftsman Examination 2023