Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 4 2 3 1 4 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Potential energy Electrical energy Heat energy Chemical energy Potential energy Electrical energy Heat energy Chemical energy 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 is cooler than earth The moon's surface is rough The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon's surface is rough The moon has no atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 2 1.2 1 1.5 2 1.2 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
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