Physics Mach number is used in connection with the speed of aircraft spacecraft ships sound aircraft spacecraft ships sound ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with decrease of temperature Increases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature Increases with decrease of temperature Decreases with increase of temperature Does not depend on temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Conduction Insulation Radiation Convection Conduction Insulation Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of Astronomical Distance ? Para/sec Parsec Sec Metre/sec Para/sec Parsec Sec Metre/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Viscosity Density Porosity Elasticity Viscosity Density Porosity Elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Oil has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Water has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
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