Physics What is the minimum distance (in metres) required to hear an echo? 17 21 13 10 17 21 13 10 ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is a unit for measuring Wavelength Clarity of waves Frequency of waves Intensity of waves Wavelength Clarity of waves Frequency of waves Intensity of waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Deflection and advection Partial absorption of solar radiation by the atmosphere Latent heat of condensation Expansion and compression of the air Deflection and advection Partial absorption of solar radiation by the atmosphere Latent heat of condensation Expansion and compression of the air ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Antimony Boron Germanium Phosphorus Antimony Boron Germanium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of sound spacecraft ships aircraft sound spacecraft ships aircraft ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 11.2 km/sec 35 km/sec 18 km/sec 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec 21 km/sec ANSWER DOWNLOAD EXAMIANS APP
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