Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Orange Yellow Blue Green Orange Yellow Blue Green ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? None of these Convection Radiation Conduction None of these Convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be P/3 3P P 2p/ 3 P/3 3P P 2p/ 3 ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appears to move from east to west because All stars move from east to west The earth rotates from east to west The background of the stars moves from west to east The earth rotates from west to east All stars move from east to west The earth rotates from east to west The background of the stars moves from west to east The earth rotates from west to east ANSWER DOWNLOAD EXAMIANS APP
Physics Water will not be vapourised if The humidity is 0% The humidity is 100% The temperature is 100°C The temperature is 0°C The humidity is 0% The humidity is 100% The temperature is 100°C The temperature is 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation It is the amount of heat which the surface of earth receives from the sun. ANSWER DOWNLOAD EXAMIANS APP