Physics Optical fibre works on the total internal reflection principle of refraction interference scattering total internal reflection principle of refraction interference scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Air Glycerine Glass Water Air Glycerine Glass Water ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 5R/4 2R R/2 3R/4 5R/4 2R R/2 3R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics A fresh egg when placed in salt water will Sink but will not go to the bottom Float Sink and go to the bottom Burst Sink but will not go to the bottom Float Sink and go to the bottom Burst ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following cannot be used for making lenses? Glass Water Soil Plastic Glass Water Soil Plastic ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light Refraction of light Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP