Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Refraction of light Total internal reflection of light Regular reflection of light Diffuse reflection of light Refraction of light Total internal reflection of light Regular reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is false about displacement? Its SI unit is meter It can be positive, negative or zero Displacement is never greater than Distance It is always positive Its SI unit is meter It can be positive, negative or zero Displacement is never greater than Distance It is always positive ANSWER DOWNLOAD EXAMIANS APP
Physics A light year is a measure of : Speed Velocity Distance Time Speed Velocity Distance Time ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 80 db Above 50 db Above 120 db Above 30 db Above 80 db Above 50 db Above 120 db ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Linear momentum Angular momentum Force Potential energy Linear momentum Angular momentum Force Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Galvanic cell Photovoltaic cell Electrochemical cell Daniell cell Galvanic cell Photovoltaic cell Electrochemical cell Daniell cell ANSWER DOWNLOAD EXAMIANS APP
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