Physics Optical Fibre technology works on which of these principles of Physics? Bernoulli's Principle Total internal reflection of Light Newton's law of Motion Photoelectric effect Bernoulli's Principle Total internal reflection of Light Newton's law of Motion Photoelectric effect ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Photons Protons Photoelectrons Electrons Photons Protons Photoelectrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave the Theory of Relativity? Galileo Galilei Archimedes Albert Einstein Isaac Newton Galileo Galilei Archimedes Albert Einstein Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Which results in an increase in power? Doing more work in less time. Doing less work in more time. Doing more work in more time. Doing less work in less time. Doing more work in less time. Doing less work in more time. Doing more work in more time. Doing less work in less time. ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies At the centre of the body Behind his feet Ahead of his feet To the left side of the body At the centre of the body Behind his feet Ahead of his feet To the left side of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? These make work easier Both A & B None of these Work input > work output These make work easier Both A & B None of these Work input > work output ANSWER DOWNLOAD EXAMIANS APP