Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude Same frequency All of these Same phase Same amplitude Same frequency All of these Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Total internal reflection of light only Refraction of light only Dispersion of light only Refraction and total internal reflection of light Total internal reflection of light only Refraction of light only Dispersion of light only Refraction and total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection II and III I and III I and II I, II and III II and III I and III I and II I, II and III ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Centripetal Force Gravitational Force Electromagnetic Force Nuclear Force Centripetal Force Gravitational Force Electromagnetic Force Nuclear Force ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following gave the Uncertainty principle? Werner Heisenberg Ernset Rutherford S.N Bose R.A Milkman Werner Heisenberg Ernset Rutherford S.N Bose R.A Milkman ANSWER DOWNLOAD EXAMIANS APP