Physics Anemometer is an instrument meant for measuring ________ Temperature Air masses Velocity Wind speed Temperature Air masses Velocity Wind speed ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Total internal absorption Total internal reflection Scattering of light Optical rotation Total internal absorption Total internal reflection Scattering of light Optical rotation ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Diverging Converging Achromatic Spherical Diverging Converging Achromatic Spherical ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Light waves on it Microwaves on it Ultra high frequency waves on it Radio waves on it Light waves on it Microwaves on it Ultra high frequency waves on it Radio waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Longitudinal waves on a string Transverse waves on a string Sound waves in air Light waves Longitudinal waves on a string Transverse waves on a string Sound waves in air Light waves ANSWER DOWNLOAD EXAMIANS APP