Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Chlorine Ammonia Ozone Carbon dioxide Chlorine Ammonia Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 1.0479166666667 0.12847222222222 0.21041666666667 2.0958333333333 1.0479166666667 0.12847222222222 0.21041666666667 2.0958333333333 ANSWER DOWNLOAD EXAMIANS APP
Physics Gasoline is useful in cars because it has Chemical potential energy Gravitational potential energy Kinetic energy Electrical potential energy Chemical potential energy Gravitational potential energy Kinetic energy Electrical potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going up with an acceleration The lift is going up with uniform speed The lift is going down with an acceleration The lift is going down with uniform speed The lift is going up with an acceleration The lift is going up with uniform speed The lift is going down with an acceleration The lift is going down with uniform speed ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by Fusion reaction Combustion reaction None Fission reaction Fusion reaction Combustion reaction None Fission reaction ANSWER DOWNLOAD EXAMIANS APP