Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light radio waves visible light X-rays ultraviolet light radio waves visible light X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes? Nine times One–third Six times Three times Nine times One–third Six times Three times ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of resistance is: Coulomb Ohm Joule Newton Coulomb Ohm Joule Newton ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 3 m 30 m 0.3 m 300 m 3 m 30 m 0.3 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough white Rough black Shining black Shining white Rough white Rough black Shining black Shining white ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a seconds pendulum is 1 second 1.5 second 0.5 second 2 seconds 1 second 1.5 second 0.5 second 2 seconds ANSWER DOWNLOAD EXAMIANS APP
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