Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level starts falling The mercury level starts rising The bell jar breaks up The mercury level does not change The mercury level starts falling The mercury level starts rising The bell jar breaks up The mercury level does not change ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because water has a higher surface tension Oil is lighter than water Oil is more viscous Oil does not mix with water water has a higher surface tension Oil is lighter than water Oil is more viscous Oil does not mix with water ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of Power? Pascal Newton Boyle Watt Pascal Newton Boyle Watt ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning heats the surrounding air to 300000 deg Cent 30000 deg Cent 300 deg Cent 3000 deg Cent 300000 deg Cent 30000 deg Cent 300 deg Cent 3000 deg Cent 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 Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics A water tank appears shallower when it is viewed from top due to Total internal reflection Refraction Reflection Rectilinear propagation of light Total internal reflection Refraction Reflection Rectilinear propagation of light ANSWER DOWNLOAD EXAMIANS APP
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