Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 30 db Above 50 db Above 80 db Above 120 db Above 30 db Above 50 db Above 80 db ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Decreases bandwidth and decreases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics A liquid disturbed by stirring comes to rest due to Surface tension Centripetal force Density Viscosity Surface tension Centripetal force Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics The Law of Kepler is related with which among the following ? Law of Gravitation Law of Conservation of energy Planetary Motion None Law of Gravitation Law of Conservation of energy Planetary Motion None ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to study the behaviour of a vibrating string is : Hygrometer Barometer Hydrometer Sonometer Hygrometer Barometer Hydrometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
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