Physics Rate of change of momentum is Pressure Force Velocity Area Pressure Force Velocity Area ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 0.005 µ bar 5.0 µ bar 10.0 µ bar 0.0002 µ bar 0.005 µ bar 5.0 µ bar 10.0 µ bar 0.0002 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 4.2 J 336 J 2268 J 80 J 4.2 J 336 J 2268 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Very low power consumptions Very wide temperature range of operations Extremely high frequency response Instability due to negative resistance Very low power consumptions Very wide temperature range of operations Extremely high frequency response Instability due to negative resistance ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as It has very high energy It is scattered Its wavelength is the longest It is a striking colour It has very high energy It is scattered Its wavelength is the longest It is a striking colour ANSWER DOWNLOAD EXAMIANS APP
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