Physics Ultrasound devices operate with minimum frequency from 20kHz 45 kHz 60 kHz 35 kHz 20kHz 45 kHz 60 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to study the behaviour of a vibrating string is : Hydrometer Barometer Sonometer Hygrometer Hydrometer Barometer Sonometer Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is immersed in a liquid, the force acting on it is Upthrust Mass Both (A) and (B) Weight Upthrust Mass Both (A) and (B) Weight ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Nitrogen Freon Ammonia Oxygen Nitrogen Freon Ammonia Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? Both the spheres will reach the ground simultaneously. A will reach the ground first. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. A will reach the ground first. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. ANSWER DOWNLOAD EXAMIANS APP
Physics The bats can fly in the dark because They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They generate flashes of light They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They generate flashes of light ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS