Physics To measure the speed of an approaching car a police officer shines Radio waves on it Microwaves on it Ultra high frequency waves on it Light waves on it Radio waves on it Microwaves on it Ultra high frequency waves on it Light waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called supersonics infrasonic audio sounds ultrasonic supersonics infrasonic audio sounds ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : With the speed of light In all directions In a straight line Heating the medium through which it passes With the speed of light In all directions In a straight line Heating the medium through which it passes ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchhoff's laws are applicable to C. circuits only C. circuits only C. and A.C. circuits both None of these C. circuits only C. circuits only C. and A.C. circuits both None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a running car stops suddenly, the passengers tends to lean forward because of: Inertia of motion Centrifugal force Gravitational force Inertia of rest Inertia of motion Centrifugal force Gravitational force Inertia of rest ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Thermocouple Ammeter Voltmeter Hydrometer Thermocouple Ammeter Voltmeter Hydrometer ANSWER DOWNLOAD EXAMIANS APP
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