Physics Which of the following cannot be used for making lenses? Soil Water Plastic Glass Soil Water Plastic Glass ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 1 0.5 2 1 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Microwave All are operating at nearly the same propagation speed Radio wave Optical fiber Microwave All are operating at nearly the same propagation speed Radio wave Optical fiber ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Petrol Mercury Salt water Fresh water Petrol Mercury Salt water Fresh water ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is a unit for measuring Clarity of waves Intensity of waves Wavelength Frequency of waves Clarity of waves Intensity of waves Wavelength Frequency of waves ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? 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 Air layer between two shirts behaves like insulating media ANSWER DOWNLOAD EXAMIANS APP