Physics The speed of light in air is 8 × 103 m/s Infinity 3 × 10–8 m/s 3 × 108 m/s 8 × 103 m/s Infinity 3 × 10–8 m/s 3 × 108 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The waves used in sonography are Micro waves Ultrasonic waves Sound waves Infra-red waves Micro waves Ultrasonic waves Sound waves Infra-red waves ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As diffused beams in all directions As a parallel beam in one direction As parallel beams in all directions As a diffused beam in one direction As diffused beams in all directions As a parallel beam in one direction As parallel beams in all directions As a diffused beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will: Remain same Three times Four times Double Remain same Three times Four times Double ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Boron Phosphorus Germanium Antimony Boron Phosphorus Germanium Antimony ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Decreases Increases Becomes infinite Remains constant Decreases Increases Becomes infinite Remains constant ANSWER DOWNLOAD EXAMIANS APP
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