Physics Who measured the velocity of light first ? Romer Einstein Galileo Newton Romer Einstein Galileo Newton ANSWER DOWNLOAD EXAMIANS APP
Physics In a optical fibre cable, the signal is propagated along the Both core and cladding Inner Core Surface and cladding Cladding Both core and cladding Inner Core Surface and cladding Cladding ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to None of these The chemical reaction between the gases inside the bulb The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly None of these The chemical reaction between the gases inside the bulb The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following animals can hear ultrasonic sound ? Rat Squirrel Bat Cat Rat Squirrel Bat Cat ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Reflection Refraction Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle At the lower elevation than the bird In the same direction as the bird At a higher elevation than the bird Vertically upwards At the lower elevation than the bird In the same direction as the bird At a higher elevation than the bird Vertically upwards ANSWER DOWNLOAD EXAMIANS APP
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