Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Surge protector Current unloader Voltage unloader Heat protector Surge protector Current unloader Voltage unloader ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of change in direction of light when it passes from one medium to another is called Dispersion Propagation Refraction Reflection Dispersion Propagation Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Infrasonics Ultrasonics Megasonics Audible sounds Infrasonics Ultrasonics Megasonics Audible sounds ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Converging Spherical Achromatic Diverging Converging Spherical Achromatic Diverging ANSWER DOWNLOAD EXAMIANS APP
Physics Pitot tube is used to measure Dynamic pressure Static pressure Stagnation pressure Velocity at stagnation point Dynamic pressure Static pressure Stagnation pressure Velocity at stagnation point ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Dispersion of light only Total internal reflection of light only Refraction and total internal reflection of light Refraction of light only Dispersion of light only Total internal reflection of light only Refraction and total internal reflection of light Refraction of light only ANSWER DOWNLOAD EXAMIANS APP