Physics The device used to convert solar energy into electricity is Daniell cell Photovoltaic cell Electrochemical cell Galvanic cell Daniell cell Photovoltaic cell Electrochemical cell Galvanic cell ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air 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 Decreases with decrease of temperature Increases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the cleanest source of energy? Wind energy Nuclear power Fossil fuel Biofuel Wind energy Nuclear power Fossil fuel Biofuel ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid The ice which deposits on the freezer ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is immersed in a liquid, the force acting on it is Both (A) and (B) Weight Mass Upthrust Both (A) and (B) Weight Mass Upthrust ANSWER DOWNLOAD EXAMIANS APP
Physics Tesla is a unit of magnetic : Induction Moment Flux Field Induction Moment Flux Field ANSWER DOWNLOAD EXAMIANS APP