Physics In the atmosphere ultraviolet rays are absorbed by Oxygen Ozone Helium Nitrogen Oxygen Ozone Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics In a water lifting electric pump, we convert Electrical energy into Kinetic energy Kinetic energy into Electrical energy Kinetic energy into Potential energy Electrical energy into Potential energy Electrical energy into Kinetic energy Kinetic energy into Electrical energy Kinetic energy into Potential energy Electrical energy into Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays ultraviolet light visible light radio waves X-rays ultraviolet light visible light radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in rolling a stone is less than in lifting it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling is more than in lifting. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling is more than in lifting. Work done in lifting the stone is equal to rolling it. ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of gravity Dead centre Centre of mass Centre of motion Centre of gravity Dead centre Centre of mass Centre of motion ANSWER DOWNLOAD EXAMIANS APP
Physics In a freezer ice cubes will be formed more quickly in trays made of Wood Rubber Plastic Aluminium Wood Rubber Plastic Aluminium ANSWER DOWNLOAD EXAMIANS APP
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