Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Ammonia Ozone Chlorine Carbon dioxide Ammonia Ozone Chlorine ANSWER DOWNLOAD EXAMIANS APP
Physics It is easy to burst a gas-filled balloon with a needle than with a nail. It is because Gas is reactive with the needle. Nail is more longer than needle. Needle exerts more pressure than nail on the balloon. Nail exerts more pressure than needle on the balloon. Gas is reactive with the needle. Nail is more longer than needle. Needle exerts more pressure than nail on the balloon. Nail exerts more pressure than needle on the balloon. ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Electromagnetic Light Sound Heat Electromagnetic Light Sound Heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Interference Polarisation Photoelectric effect Diffraction Interference Polarisation Photoelectric effect Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R/4 4 R/5 5 R R/5 5 R/4 4 R/5 5 R R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these liquids has the highest viscosity? Pineapple juice Syrup Water Milk Pineapple juice Syrup Water Milk ANSWER DOWNLOAD EXAMIANS APP
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