Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 80 db Above 30 db Above 120 db Above 50 db Above 80 db Above 30 db Above 120 db ANSWER DOWNLOAD EXAMIANS APP
Physics Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds 5.5 11 1 0.5 5.5 11 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Infrasonic Audible Ultrasonic Subsonic Infrasonic Audible Ultrasonic Subsonic ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 3 × 10–8 m/s 3 × 108 m/s Infinity 8 × 103 m/s 3 × 10–8 m/s 3 × 108 m/s Infinity 8 × 103 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument for measuring blueness of the sky or ocean is called ________ Bathymeter Ceraunograph Barometer Cyanometer Bathymeter Ceraunograph Barometer Cyanometer ANSWER DOWNLOAD EXAMIANS APP
Physics A television channel is characterised by Physical dimension of television screen Size of picture tube Velocity of transmitted signal Frequency of transmitted signal Physical dimension of television screen Size of picture tube Velocity of transmitted signal Frequency of transmitted signal ANSWER DOWNLOAD EXAMIANS APP
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