Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 seconds 4.2 seconds 42 years 4.2 years 42 seconds 4.2 seconds 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 2000 40 80 4000 2000 40 80 4000 ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism at the centre of a bar magnet is zero minimum minimum or maximum maximum zero minimum minimum or maximum maximum ANSWER DOWNLOAD EXAMIANS APP
Physics A man jumping out of a moving train is thrown Backward None of these Forward Sideways Backward None of these Forward Sideways ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Chlorine Ammonia Carbon dioxide Ozone Chlorine Ammonia Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
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