Physics The blue colour of sky is due to Scattering of longer wavelengths of sunlight in the atmosphere Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Reflection of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Reflection of sunlight ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Solar cell Microphone Loudspeaker Gramophone Solar cell Microphone Loudspeaker Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Sink in mercury Will be partly immersed mercury Will be on the surface of mercury Will dissolve in mercury Sink in mercury Will be partly immersed mercury Will be on the surface of mercury Will dissolve in mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: The atoms are lightly packed. They contain free electrons. All of these They have high melting point. The atoms are lightly packed. They contain free electrons. All of these They have high melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the current flow To increase the current flow Ro decrease the voltage momentarily To decrease the resistance To decrease the current flow To increase the current flow Ro decrease the voltage momentarily To decrease the resistance ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Convection Evaporation Revolution Thermal Expansion Convection Evaporation Revolution Thermal Expansion ANSWER DOWNLOAD EXAMIANS APP
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