Physics The unit of measurement of noise is Decibel Acoustics Amplifier Hertz Decibel Acoustics Amplifier Hertz 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
Physics Electrical burns occur principally because of Radiation pulses of the electricity The heat generated by the flow of electrical current through the body All of these The high energy of electrons Radiation pulses of the electricity The heat generated by the flow of electrical current through the body All of these The high energy of electrons ANSWER DOWNLOAD EXAMIANS APP
Physics In a optical fibre cable, the signal is propagated along the Surface and cladding Cladding Both core and cladding Inner Core Surface and cladding Cladding Both core and cladding Inner Core ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough white Shining black Shining white Rough black Rough white Shining black Shining white Rough black ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts behaves like insulating media No radiation of heat takes place Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media No radiation of heat takes place Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
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