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 The height of a geo-stationary satellite from the Earth's surface is approximately : 30,000 km 36,000 km None of these 42,000 km 30,000 km 36,000 km None of these 42,000 km ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Tungsten Brass Nichrome Steel Tungsten Brass Nichrome Steel ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? 11.25 diopters -11.25 diopters -3.75 diopters 3.75 diopters 11.25 diopters -11.25 diopters -3.75 diopters 3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Optical rotation Total internal reflection Total internal absorption Scattering of light Optical rotation Total internal reflection Total internal absorption Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 0.6 units 60 units 600 units 6 units 0.6 units 60 units 600 units 6 units ANSWER DOWNLOAD EXAMIANS APP
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