Physics Optical Fibre technology works on which of these principles of Physics? Photoelectric effect Newton's law of Motion Bernoulli's Principle Total internal reflection of Light Photoelectric effect Newton's law of Motion Bernoulli's Principle Total internal reflection of Light ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is seen after rain because of hanging molecules of water which act as Lenses Slabs Mirrors Prisms Lenses Slabs Mirrors Prisms ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Conduction Convection Both conduction and convection Radiation Conduction Convection Both conduction and convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Regulator Rectifier Switch Amplifier Regulator Rectifier Switch Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Visible light has a higher frequency than Ultra violet All listed here Radio waves X rays Ultra violet All listed here Radio waves X rays ANSWER DOWNLOAD EXAMIANS APP