Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Mercury Red oxide Silver Silver nitrate Mercury Red oxide Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Dispense light into component colours Transmit or absorb light of different colours Refract light of different colours Reflect lights of different colours Dispense light into component colours Transmit or absorb light of different colours Refract light of different colours Reflect lights of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics In which form is the supplied heat energy stored during change in temperature of substance? Potential energy Kinetic energy Both kinetic and potential energy Heat energy Potential energy Kinetic energy Both kinetic and potential energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The collector has the least concentration of impurity The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The collector has the least concentration of impurity The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Glass to water Glass to air Water to air Water to glass Glass to water Glass to air Water to air Water to glass ANSWER DOWNLOAD EXAMIANS APP
Physics A Fuse wire is characterised by High resistance and high melting point Low resistance and low melting point High resistance and low melting point Low resistance and high melting point High resistance and high melting point Low resistance and low melting point High resistance and low melting point Low resistance and high melting point ANSWER DOWNLOAD EXAMIANS APP
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