Physics Speed of sound is maximum in which among the following? Vaccum Solids Gases Liquids Vaccum Solids Gases Liquids ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 50 J 40 J 20 J 30 J 50 J 40 J 20 J 30 J 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 violet ray The blue ray The red ray The green ray The violet ray The blue ray The red ray The green ray ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of All of these Same amplitude Same phase Same frequency All of these Same amplitude Same phase Same frequency 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 Less than the weight of the man Same as the weight of the man Greater than the weight of the man Zero Less than the weight of the man Same as the weight of the man Greater than the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics Hydroscope is an instrument that shows changes in: None of these Sound under water Density of liquid Atmospheric humidity None of these Sound under water Density of liquid Atmospheric humidity ANSWER DOWNLOAD EXAMIANS APP
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