MPSC Rajyaseva 2024 GS Paper 1 — Question 55

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खालील विधने सत्य की असत्य ते लिहा. (I) आवाजाच्या प्रसारासाठी माध्यमाची गरज असते. (II) आवाजाच्या वारंवारतेचे हर्ट्झ हे एकक आहे. (III) आवाजाची तीव्रता मोजण्यासाठी डेसिबल हे एकक आहे. Say whether following sentences are true or false : (I) For propagation of sound medium is necessary. (II) Unit of frequency of sound is Hertz. (III) Loudness of sound is expressed in decibel unit.

1)(I), (II), (III) बरोबर आहेत. / (I), (II), (III) are true✓ Correct

2)फक्त (I), (II) बरोबर आहेत. / Only (I), (II) is true

3)फक्त (II) बरोबर आहे. / Only (II) is true

4)(I), (II), (III) चुकीचे आहेत. / (I), (II), (III) are false

All given statements are correct: Sound requires a material medium for propagation, frequency is measured in Hertz (Hz), and loudness/intensity is measured in decibels (dB).

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