Physics A small gap is left at the joints of rails in a railway track to Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
Physics The average kinetic energy of the molecules of an ideal gas is directly proportional to Mass of Molecules Temperature of environment Velocity of Molecules Absolute temperature of the gas Mass of Molecules Temperature of environment Velocity of Molecules Absolute temperature of the gas ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Ultrasonic Radio Audible sound Infrasonic Ultrasonic Radio Audible sound Infrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the balance between incoming and outgoing radiation It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the balance between incoming and outgoing radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 0.0002 µ bar 10.0 µ bar 5.0 µ bar 0.005 µ bar 0.0002 µ bar 10.0 µ bar 5.0 µ bar 0.005 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnetic waves are transverse in nature is evident by Reflection Polarisation Diffraction Interference Reflection Polarisation Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
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