Physics Mach number is used in connection with the speed of aircraft spacecraft ships sound aircraft spacecraft ships sound ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Reflect lights of different colours Refract light of different colours Dispense light into component colours Transmit or absorb light of different colours Reflect lights of different colours Refract light of different colours Dispense light into component colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals metals are good conductor of heat plastics have a lower density than metals metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals metals are good conductor of heat plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Unchanged Decreases Increases Depends upon the metal Unchanged Decreases Increases Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? Pascal's law Newton's third law Law of inertia Newton's second law Pascal's law Newton's third law Law of inertia Newton's second law ANSWER DOWNLOAD EXAMIANS APP
Physics During ________ motion of an object along a straight line, the velocity remains constant with time. Equilibrium Linear Translational Uniform Equilibrium Linear Translational Uniform ANSWER DOWNLOAD EXAMIANS APP