Physics Quality of transmission depends upon Nature of signal only Nature of medium only Both (A) and (B) Neither A nor B Nature of signal only Nature of medium only Both (A) and (B) Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are Neutral particles Electromagnetic radiations Charged particles emitted by nucleus The electrons orbiting around the nucleus Neutral particles Electromagnetic radiations Charged particles emitted by nucleus The electrons orbiting around the nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because All of these they can work during the day and night they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can All of these they can work during the day and night they can work even in cloudy conditions they can detect faint galaxies which no optical telescope can ANSWER DOWNLOAD EXAMIANS APP
Physics On a rainy day, small oil films on water show brilliant colours. This is due to interference dispersion diffraction polarization interference dispersion diffraction polarization ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Diffusion Viscosity Surface tension Capillarity Diffusion Viscosity Surface tension Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity The emitter has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP