Physics Light year is a unit of Time Light Distance Intensity of light Time Light Distance Intensity of light ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Four times Double Half One–fourth Four times Double Half One–fourth ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude Same phase Same frequency All of these Same amplitude Same phase Same frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Physics When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is The blue ray The violet ray The red ray The green ray The blue ray The violet ray The red ray The green ray ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is malleable It is a good conductor It is economical It has a very high melting point It is malleable It is a good conductor It is economical ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Zero Same as the weight of the man Greater than the weight of the man Less than the weight of the man Zero Same as the weight of the man Greater than the weight of the man Less than the weight of the man ANSWER DOWNLOAD EXAMIANS APP