Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Exosphere Stratosphere Mesosphere Ionosphere Exosphere Stratosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following, ''Diodes' are generally used for? Filtration Rectification Amplification Modulation Filtration Rectification Amplification Modulation ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? Their lungs are very large They use less oxygen They fly inactively They have extra air sacs Their lungs are very large They use less oxygen They fly inactively They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with increase in velocity. Is independent of its velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Decreases with increase in velocity. Is independent of its velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Rotational energy Potential energy Kinetic energy Motional energy Rotational energy Potential energy Kinetic energy Motional energy ANSWER DOWNLOAD EXAMIANS APP
Physics The domain theory of magnetism applies to Cobalt Silver Aluminium Copper Cobalt Silver Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
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