Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 0.1 MeV 1 MeV 100 MeV 10 MeV 0.1 MeV 1 MeV 100 MeV 10 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 1 0.5 2 1 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Circular plate Sphere Cube All will cool at the same rate Circular plate Sphere Cube All will cool at the same rate ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Total internal reflection of light Refraction of light Regular reflection of light Diffuse reflection of light Total internal reflection of light Refraction of light Regular reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Number of lattices in the orthorhombic system is 5 8 7 4 5 8 7 4 ANSWER DOWNLOAD EXAMIANS APP