Physics Purity of a metal can be determined with the help of Pascal's law Boyle's law Archimedes principle Conservation of mass principle Pascal's law Boyle's law Archimedes principle Conservation of mass principle ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Diverging Converging Spherical Achromatic Diverging Converging Spherical Achromatic ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Parabolic concave Spherical convex Plane Cylindrical concave Parabolic concave Spherical convex Plane Cylindrical concave ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They have extra air sacs Their lungs are very large They use less oxygen They fly inactively They have extra air sacs Their lungs are very large They use less oxygen They fly inactively ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Ultra high frequency waves on it Microwaves on it Light waves on it Radio waves on it Ultra high frequency waves on it Microwaves on it Light waves on it Radio waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of heat radiation in vacuum is Less than that of light Greater than that of light Equal to that of sound Equal to that of light Less than that of light Greater than that of light Equal to that of sound Equal to that of light ANSWER DOWNLOAD EXAMIANS APP
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