Physics Total internal reflection can not take place when light goes from : Water to air Glass to air Water to glass Glass to water Water to air Glass to air Water to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to diffusion of sunlight through water droplets absorption of sunlight in minute water droplets ionisation of water deposits refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets absorption of sunlight in minute water droplets ionisation of water deposits refraction and reflection of sunlight by water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Velocity Acceleration Energy Displacement Velocity Acceleration Energy Displacement ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Wave form of the sound Frequency of vibration Amplitude of vibration Length of the strings in the instrument Wave form of the sound Frequency of vibration Amplitude of vibration Length of the strings in the instrument ANSWER DOWNLOAD EXAMIANS APP
Physics When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force? 3.33 N 5.33 N 4.33 N 6.33 N 3.33 N 5.33 N 4.33 N 6.33 N ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low work function High melting point Low melting point Low resistance Low work function High melting point Low melting point Low resistance ANSWER DOWNLOAD EXAMIANS APP