Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 1200 m 33 km 3.33 km 0.33 km 1200 m 33 km 3.33 km 0.33 km ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics Which metal is the best conductor of heat? Gold Copper Silver All of these Gold Copper Silver All of these ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases Fan supplies cool air Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases Fan supplies cool air ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Decreases with light doping Increases with heavy doping Is independent of applied voltage Is increased under reverse bias Decreases with light doping Increases with heavy doping Is independent of applied voltage Is increased under reverse bias ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is less oxygen There is a decrease in air pressure on the hills It is cold on the hills There is less carbon dioxide on the hills There is less oxygen There is a decrease in air pressure on the hills It is cold on the hills There is less carbon dioxide on the hills ANSWER DOWNLOAD EXAMIANS APP
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