Physics Rear view mirror of car is convex or concave? Concave Both A & B Convex Can't be determined Concave Both A & B Convex Can't be determined ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Ultrasonic sound waves Micro sound waves Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves Micro sound waves Supersonic sound waves Infrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Red oxide Mercury Silver Silver nitrate Red oxide Mercury Silver Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these The ice which deposits on the freezer ANSWER DOWNLOAD EXAMIANS APP
Physics Transition ions absorb light in : Infrared region Microwave region Ultraviolet region Visible region Infrared region Microwave region Ultraviolet region Visible region ANSWER DOWNLOAD EXAMIANS APP
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