Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Superconductors Semi conductors Dielectrics Perfect conductors Superconductors Semi conductors Dielectrics Perfect conductors ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A long focus concave lens A short focus convex lens A long focus convex lens A short focus concave lens A long focus concave lens A short focus convex lens A long focus convex lens A short focus concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Rotational energy Potential energy Kinetic energy Motional energy Rotational energy Potential energy Kinetic energy Motional energy ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Reflection Refraction Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 2 metres 3 metres 1 metre 4 metres 2 metres 3 metres 1 metre 4 metres ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS