Physics What type of lens is used in a magnifying glass None of these Plano-concave Convex Concave None of these Plano-concave Convex Concave ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays The ultraviolet rays The infra-red rays X-rays G-rays The ultraviolet rays The infra-red rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Wood Steel Air Water Wood Steel Air Water ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Laser Eraser Grazer Maser Laser Eraser Grazer Maser ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The emitter has the least concentration of impurity The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The base has the least concentration of impurity The emitter has the least concentration of impurity The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The base has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics Loudness of sound depends on Wavelength Pitch Amplitude Frequency Wavelength Pitch Amplitude Frequency ANSWER DOWNLOAD EXAMIANS APP
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