Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Stratosphere Exosphere Ionosphere Mesosphere Stratosphere Exosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Thermal Expansion Convection Evaporation Revolution Thermal Expansion Convection Evaporation Revolution ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following occurred first ? Wright Brothers successfully flew an aircraft Albert Einstein propounded the General Theory of Relativity Guglielmo Marconi sent out the first wireless signals Max Planck unveiled the Quantum Theory Wright Brothers successfully flew an aircraft Albert Einstein propounded the General Theory of Relativity Guglielmo Marconi sent out the first wireless signals Max Planck unveiled the Quantum Theory ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Diffraction Interference Reflection Polarisation Diffraction Interference Reflection Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics Soap bubble attains spherical shape due to ________ Viscosity Surface tension Pressure Inertia Viscosity Surface tension Pressure Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Solids Gases Vaccum Liquids Solids Gases Vaccum Liquids ANSWER DOWNLOAD EXAMIANS APP