Physics stars which appear single to the naked eye but are double when seen through a telescope are quasars binaries novas and supernovas asteroids quasars binaries novas and supernovas asteroids ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Formation of impure spectra Principle of complementary colour Persistence of vision Formation of pure spectra Formation of impure spectra Principle of complementary colour Persistence of vision Formation of pure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Remain unaffected Have its shape changed Decrease Increase Remain unaffected Have its shape changed Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics The term ''equinox' means When the day and night are of equal duration The path which the Earthtakes around the Sun The axis of the Earth around which it rotates The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon When the day and night are of equal duration The path which the Earthtakes around the Sun The axis of the Earth around which it rotates The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon 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 A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature ANSWER DOWNLOAD EXAMIANS APP
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