Physics Red is used as an emergency or danger signal as It has very high energy It is scattered It is a striking colour Its wavelength is the longest It has very high energy It is scattered It is a striking colour Its wavelength is the longest ANSWER DOWNLOAD EXAMIANS APP
Physics Tape recorder should not be kept near one of the following things : Magnet Radio Clock Electrical switchboard Magnet Radio Clock Electrical switchboard ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Increases Does not change Decreases Becomes infinite Increases Does not change Decreases Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Ammeter Rectifier Transformer Galvanometer Ammeter Rectifier Transformer Galvanometer 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 ) 40J 200J 400J 20 J 40J 200J 400J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics Transition ions absorb light in : Microwave region Ultraviolet region Visible region Infrared region Microwave region Ultraviolet region Visible region Infrared region ANSWER DOWNLOAD EXAMIANS APP
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