Physics Which of the following parts of the sunlight makes the solar cooker hot ? Ultra violet Red light Infra red Cosmic rays Ultra violet Red light Infra red Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can neither be created or destroyed Energy can either be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed Energy can neither be created or destroyed Energy can either be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : Decimal Ppm Decibel None of these Decimal Ppm Decibel None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? Convection Radiation Conduction None of these Convection Radiation Conduction None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Scalar Quantities are Physical quantities which have magnitude only and no direction Physical quantities which have no magnitude only and only direction Physical quantities which have no magnitude and no direction Physical quantities which have magnitude only and direction Physical quantities which have magnitude only and no direction Physical quantities which have no magnitude only and only direction Physical quantities which have no magnitude and no direction Physical quantities which have magnitude only and direction ANSWER DOWNLOAD EXAMIANS APP