Physics Optical Fibre technology works on which of these principles of Physics? Total internal reflection of Light 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Fusion reactions Chemical reactions Combustion reactions Fission reactions Fusion reactions Chemical reactions Combustion reactions Fission reactions ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Spectrometer Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer P – n junction diode ANSWER DOWNLOAD EXAMIANS APP
Physics A wheel-barrow is an example of Class I lever Pulley system Class III lever Class II lever Class I lever Pulley system Class III lever Class II lever ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to measure the force and velocity of the wind is Anemometer Audiometer Ammeter Altimeter Anemometer Audiometer Ammeter Altimeter ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Sphere All will cool at the same rate Circular plate Cube Sphere All will cool at the same rate Circular plate Cube ANSWER DOWNLOAD EXAMIANS APP