Physics Conversion of sound energy into electrical energy is done by Loudspeaker Solar cell Gramophone Microphone Loudspeaker Solar cell Gramophone Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to see the distant objects on the Earth is Compound microscope Astronomical telescope Terrestrial telescope Simple microscope Compound microscope Astronomical telescope Terrestrial telescope Simple microscope ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are pieces of Soft iron Cobalt Nickel Steel Soft iron Cobalt Nickel Steel ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Transformer Dynamo Oscillator Rectifier Transformer Dynamo Oscillator Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Ozone Ammonia Chlorine Carbon dioxide Ozone Ammonia Chlorine ANSWER DOWNLOAD EXAMIANS APP
Physics In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by Pcosq cosa Psinq sina Psinq cosa Pcosq sina Pcosq cosa Psinq sina Psinq cosa Pcosq sina ANSWER DOWNLOAD EXAMIANS APP