Physics Acceptable noise level for human ear > 85 db = 85 db None of these < 85 db > 85 db = 85 db None of these < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the surface tension phenomenon Oil is very light Of the capillary action phenomenon Of the diffusion of oil through the wick Of the surface tension phenomenon Oil is very light Of the capillary action phenomenon Of the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength at which the peak of intensity of blackbody radiation occurs Increases with increase in temperature Does not follow any pattern as temperature changes Decreases with increase in temperature Is the same at all temperatures Increases with increase in temperature Does not follow any pattern as temperature changes Decreases with increase in temperature Is the same at all temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Refract light of different colours Reflect lights of different colours Transmit or absorb light of different colours Dispense light into component colours Refract light of different colours Reflect lights of different colours Transmit or absorb light of different colours Dispense light into component colours ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Cylindrical concave Spherical convex Plane Parabolic concave Cylindrical concave Spherical convex Plane Parabolic concave 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 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 ANSWER DOWNLOAD EXAMIANS APP
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