Physics In the atmosphere ultraviolet rays are absorbed by Helium Oxygen Ozone Nitrogen Helium Oxygen Ozone Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of Newton's law of cooling Charle's law The law of conservation of energy The law of heat exchange Newton's law of cooling Charle's law The law of conservation of energy The law of heat exchange ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Efficiency is 100% Force is applied in a convenient direction Mechanical advantage is high Velocity ratio is low Efficiency is 100% Force is applied in a convenient direction Mechanical advantage is high Velocity ratio is low ANSWER DOWNLOAD EXAMIANS APP
Physics Rocket works on the principle of Newton's Third Law Archimedes Principle Newton's Second Law Newton's First Law Newton's Third Law Archimedes Principle Newton's Second Law Newton's First Law ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria X-rays Infrared rays Ultra-violet radiation Microwave radiation X-rays Infrared rays Ultra-violet radiation Microwave radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Photometer Telescope Spectrometer Microscope Photometer Telescope Spectrometer Microscope ANSWER DOWNLOAD EXAMIANS APP