Physics The base of an electric iron is brightly polished mainly To make it more durable To make it rust-proof To make it smooth and frictionless To reduce heat loss by radiation To make it more durable To make it rust-proof To make it smooth and frictionless To reduce heat loss by radiation ANSWER DOWNLOAD EXAMIANS APP
Physics During uniform motion of an object along a straight line, its ________ remains constant with time. Acceleration Velocity Deceleration Force Acceleration Velocity Deceleration Force ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Micron is equal to 10–9 m 10–15 m 10–6 m 10–12 m 10–9 m 10–15 m 10–6 m 10–12 m ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Sound signal into light signal Light signal into sound signal Current signal into sound signal Sound signal into current signal Sound signal into light signal Light signal into sound signal Current signal into sound signal Sound signal into current signal ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicles use ________ to see the objects coming from behind. Concave mirror Convex mirror Convex lens Concave lens Concave mirror Convex mirror Convex lens Concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is A musical note A musical instrument The wavelength of noise A measure of sound level A musical note A musical instrument The wavelength of noise A measure of sound level ANSWER DOWNLOAD EXAMIANS APP
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