Physics The spring balance works on the principle of ________ . Boyle's Law Hooke's Law Pascal's Law Bernoulli's principle Boyle's Law Hooke's Law Pascal's Law Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low temperature Due to high humidity Due to ozone Due to low air pressure Due to low temperature Due to high humidity Due to ozone Due to low air pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Subsonic Infrasonic Ultrasonic Audible Subsonic Infrasonic Ultrasonic Audible ANSWER DOWNLOAD EXAMIANS APP
Physics A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle Vertically upwards In the same direction as the bird At the lower elevation than the bird At a higher elevation than the bird Vertically upwards In the same direction as the bird At the lower elevation than the bird At a higher elevation than the bird ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 45 kHz 60 kHz 35 kHz 20kHz 45 kHz 60 kHz 35 kHz 20kHz ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
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