Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays ultraviolet light radio waves visible light X-rays ultraviolet light radio waves visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following is not an electromagnetic wave? X-Ray R-Ray Infrared Ray Cathode Ray X-Ray R-Ray Infrared Ray Cathode Ray ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Decreases bandwidth and increases noise Increases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 200J 20 J 40J 400J 200J 20 J 40J 400J ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Bend towards right None of these Bend towards left Remain straight Bend towards right None of these Bend towards left Remain straight ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 4 T 8 T 2 T 1 T 4 T 8 T 2 T 1 T ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS