Physics The pressure exerted by a 760 mm column of mercury at 0°C is known as 1 atmosphere 1 bar 1 poise 1 pascal 1 atmosphere 1 bar 1 poise 1 pascal ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. inversely proportional to square of directly proportional to square of directly proportional to inversely proportional to inversely proportional to square of directly proportional to square of directly proportional to inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Vacuum Metal Water Air Vacuum Metal Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Control the speed of train Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 None 2k1k2/k1+k2 K1k2/k1+k2 K1+k2/k1k2 None 2k1k2/k1+k2 K1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP