Physics Radio telescopes are better than optical telescopes because they can detect faint galaxies which no optical telescope can they can work during the day and night they can work even in cloudy conditions All of these they can detect faint galaxies which no optical telescope can they can work during the day and night they can work even in cloudy conditions All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? None of these Optical microscopes Electron microscopes Scanning tunneling microscopes None of these Optical microscopes Electron microscopes Scanning tunneling microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Oxidation Beta-emission Gamma-emission Alpha-emission Oxidation Beta-emission Gamma-emission Alpha-emission ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 4 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 only 4 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current is constant Photo current decreases with voltage Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage Photo current increases with voltage Photo electric emission is not possible ANSWER DOWNLOAD EXAMIANS APP
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