Physics Ultrasound devices operate with minimum frequency from 35 kHz 60 kHz 45 kHz 20kHz 35 kHz 60 kHz 45 kHz 20kHz ANSWER DOWNLOAD EXAMIANS APP
Physics A wave with high amplitude have Low energy High pitch High energy Low pitch Low energy High pitch High energy Low pitch ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Scattering of light Total internal reflection of light Reflection of light Refraction of light Scattering of light Total internal reflection of light Reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter Expands ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Quartz clocks Pulsars White dwarfs Atomic clocks Quartz clocks Pulsars White dwarfs Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
Physics Radio activity is due to Unstable nucleus Stable electronic configu-ration Stable electronic configu-ration Stable nucleus Unstable nucleus Stable electronic configu-ration Stable electronic configu-ration Stable nucleus ANSWER DOWNLOAD EXAMIANS APP
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