Physics In mirrors the back surface is coated with a thin layer of : Mercury Red oxide Silver nitrate Silver Mercury Red oxide Silver nitrate Silver ANSWER DOWNLOAD EXAMIANS APP
Physics The wave theory of light can explain Black body spectrum Comptom effect Photoelectric effect Interference of light Black body spectrum Comptom effect Photoelectric effect Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Alpha particles Electrons Electromagnetic radiations Neutrons Alpha particles Electrons Electromagnetic radiations Neutrons ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work even in cloudy conditions All of these they can work during the day and night they can detect faint galaxies which no optical telescope can they can work even in cloudy conditions All of these they can work during the day and night they can detect faint galaxies which no optical telescope can ANSWER DOWNLOAD EXAMIANS APP
Physics Solar eclipse will take place when the earth is between the moon and the sun the moon does not lie on the line joining the sun and the earth the sun is between the moon and the earth the moon is between the sun and the earth the earth is between the moon and the sun the moon does not lie on the line joining the sun and the earth the sun is between the moon and the earth the moon is between the sun and the earth ANSWER DOWNLOAD EXAMIANS APP
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