Physics The frequency of ultrasound wave is typically Below 02 kHz Above 20 kHz Below 20 kHz Above 20,000 kHz Below 02 kHz Above 20 kHz Below 20 kHz Above 20,000 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Decreases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and decreases noise Increases bandwidth and increases noise Decreases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and decreases noise Increases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
Physics In sunlight a rose appears red. In green light, the same rose appears Red Green Black Yellow Red Green Black Yellow ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has a very high refractive index It has well defined cleavage planes It is very hard It has a very high transparency It has a very high refractive index It has well defined cleavage planes It is very hard It has a very high transparency ANSWER DOWNLOAD EXAMIANS APP
Physics 1 WH = 3600 joules 360 joules 36000 joules 36 joules 3600 joules 360 joules 36000 joules 36 joules ANSWER DOWNLOAD EXAMIANS APP
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