Physics Which tube used to produce X-ray? Roentgen X-ray tube None of these Coolidge tube Roentgen X-ray tube None of these Coolidge tube ANSWER DOWNLOAD EXAMIANS APP
Physics On which principle does the hydraulic lift works? Joule's law Archimedes's law Pascal's law Newton's law Joule's law Archimedes's law Pascal's law Newton's law ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground. 0.044444444444444 0.042361111111111 0.043055555555556 Cannot be found from the given information. 0.044444444444444 0.042361111111111 0.043055555555556 Cannot be found from the given information. ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Safety fuse wire used in domestic electrical appliances is made of metal of low Conductance Melting point Resistance Specific gravity Conductance Melting point Resistance Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals ANSWER DOWNLOAD EXAMIANS APP
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