Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Refraction of light Dispersion of light Scattering of light Reflection of light Refraction of light Dispersion of light Scattering of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be P/3 P 3P 2p/ 3 P/3 P 3P 2p/ 3 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Amplitude Frequency Speed Wavelength Amplitude Frequency Speed Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Control the speed of train Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Control the speed of train Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Water, iron and air Iron, water and air Air, water and iron Iron, air and water Water, iron and air Iron, water and air Air, water and iron Iron, air and water ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Cylindrical mirror Concave mirror Convex mirror Plane mirror Cylindrical mirror Concave mirror Convex mirror Plane mirror ANSWER DOWNLOAD EXAMIANS APP