Physics A device used for converting a.c. into d.c. is called Induction coil Dynamo Transformer Rectifier Induction coil Dynamo Transformer Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays have greatest similarity with U.V.-rays X-rays B-rays A-rays U.V.-rays X-rays B-rays A-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going up with an acceleration The lift is going up with uniform speed The lift is going down with uniform speed The lift is going down with an acceleration The lift is going up with an acceleration The lift is going up with uniform speed The lift is going down with uniform speed The lift is going down with an acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Hertz Sone Phon Decibel Hertz Sone Phon Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Infrared rays Visible light X–rays Ultraviolet rays Infrared rays Visible light X–rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS