Physics Parabolic mirrors are used in Dentists mirros Driving mirrors Car headlights Shaving mirros Dentists mirros Driving mirrors Car headlights Shaving mirros ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Total internal reflection Refraction Diffraction Reflection Total internal reflection Refraction Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The waves used in sonography are Ultrasonic waves Sound waves Infra-red waves Micro waves Ultrasonic waves Sound waves Infra-red waves Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Copper Iron Aluminium Silver Copper Iron Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has More density than dry air. Less density than dry air. More pressure than dry air. Less pressure than dry air. More density than dry air. Less density than dry air. More pressure than dry air. Less pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of resistance is: Coulomb Ohm Newton Joule Coulomb Ohm Newton Joule ANSWER DOWNLOAD EXAMIANS APP
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