Physics Optical fibre works on which of the following principle of light? Refraction Reflection Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to ionisation of water deposits diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets absorption of sunlight in minute water droplets ionisation of water deposits diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets absorption of sunlight in minute water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Efficiency is 100% Mechanical advantage is high Force is applied in a convenient direction Velocity ratio is low Efficiency is 100% Mechanical advantage is high Force is applied in a convenient direction Velocity ratio is low ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Oxygen Ozone Helium Nitrogen Oxygen Ozone Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 500 J 5 J 0.2 J 20 J 500 J 5 J 0.2 J 20 J ANSWER DOWNLOAD EXAMIANS APP
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