Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 80 db Above 30 db Above 50 db Above 120 db Above 80 db Above 30 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics The source of the Sun's energy is the process of Nuclear fusion Thermionic emission Nuclear fission Photoelectric emission Nuclear fusion Thermionic emission Nuclear fission Photoelectric emission ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirror is generally used in ________ Reflector for head light Rear view mirror Opthalmoscope Solar cookers Reflector for head light Rear view mirror Opthalmoscope Solar cookers ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level starts falling The bell jar breaks up The mercury level starts rising The mercury level does not change The mercury level starts falling The bell jar breaks up The mercury level starts rising The mercury level does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because 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 they can detect faint galaxies which no optical telescope can ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon is cooler than earth The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon is cooler than earth The moon has no atmosphere ANSWER DOWNLOAD EXAMIANS APP
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