Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Chlorine Carbon dioxide Ozone Ammonia Chlorine Carbon dioxide Ozone Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics Universal gates are AND and OR NAND and NOR AND and XOR OR and NOT AND and OR NAND and NOR AND and XOR OR and NOT ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Extend radially from the wire None of these Both of these Circle the wire in closed loops Extend radially from the wire None of these Both of these Circle the wire in closed loops ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Mass but no charge Charge but no mass Both mass and charge Neither mass nor charge Mass but no charge Charge but no mass Both mass and charge Neither mass nor charge ANSWER DOWNLOAD EXAMIANS APP
Physics Radioactive elements can be traced out in living cell through a technique called Auto radiography Chromatography All listed here Centrifugation Auto radiography Chromatography All listed here Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
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