41. Noise is measured in
42. Man perceives sound vibrations in the frequency ranges of
43. Instrument used to study the behaviour of a vibrating string is :
44. Among the following materials sound travels fastest in
45. Sound becomes hazardous noise pollution at decibels?
46. What is the SI unit of intensity of sound?
47. Sound cannot pass through
48. Sound waves cannot travel in
49. The quality or tone of a musical sound produced by a stringed instrument depends on
50. Which determines the frequency of a sound wave?
Read More Section(Physics)
Each Section contains maximum 100 MCQs question on Physics. To get more questions visit other sections.