Physics Ultrasound devices operate with minimum frequency from 60 kHz 20kHz 35 kHz 45 kHz 60 kHz 20kHz 35 kHz 45 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can neither be created nor destroyed Energy can either be created nor destroyed Energy can either be created or destroyed Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed Energy can either be created or destroyed Energy can neither be created or destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics What is colour of light related to ? Amplitude Frequency Quality Velocity Amplitude Frequency Quality Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Dead centre Centre of mass Centre of gravity Centre of motion Dead centre Centre of mass Centre of gravity Centre of motion ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Velocity Wavelength Frequency Amplitude Velocity Wavelength Frequency Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Who is the first person to define speed Newton Ptolemy Galileo Kepler Newton Ptolemy Galileo Kepler ANSWER DOWNLOAD EXAMIANS APP