Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Mercury Red oxide Silver Silver nitrate Mercury Red oxide Silver ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Is independent of applied voltage Decreases with light doping Increases with heavy doping Is increased under reverse bias Is independent of applied voltage Decreases with light doping Increases with heavy doping Is increased under reverse bias ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Reflection Polarisation Interference Refraction Reflection Polarisation Interference Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.5 2 1 1.2 1.5 2 1 1.2 ANSWER DOWNLOAD EXAMIANS APP
Physics At hill stations, the boiling point of water will be More than that at sea level Less than that at sea level Equal to the melting point of ice Same as at sea level More than that at sea level Less than that at sea level Equal to the melting point of ice Same as at sea level ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric air is held to the Earth by : Winds Rotation of the Earth Clouds Gravity Winds Rotation of the Earth Clouds Gravity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS