Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Depends upon the metal Unchanged Increases Decreases Depends upon the metal Unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is Gamma rays Alpha rays Beta rays None of these Gamma rays Alpha rays Beta rays None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It remains at the same level It sinks a little It rises or sinks depending on the material it is made of It rises a little It remains at the same level It sinks a little It rises or sinks depending on the material it is made of It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics In a magnetic field, the direction of motion of a current carrying conductor is given by Flemings left hand rule Maxwell's right hand rule Lenz's rule Kirchoff's law Flemings left hand rule Maxwell's right hand rule Lenz's rule Kirchoff's law ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They use less oxygen They fly inactively Their lungs are very large They have extra air sacs They use less oxygen They fly inactively Their lungs are very large They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Shining white Rough black Shining black Rough white Shining white Rough black Shining black Rough white ANSWER DOWNLOAD EXAMIANS APP
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