Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Decrease Increase Have its shape changed Remain unaffected Decrease Increase Have its shape changed Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Microwave radiation X-rays Infrared rays Ultra-violet radiation Microwave radiation X-rays Infrared rays Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following supports particle nature of photons ? Photoelectric effect Diffraction Polarization Interference Photoelectric effect Diffraction Polarization Interference ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very wide The forbidden energy gap is very narrow The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very wide The forbidden energy gap is very narrow The valence band and the conduction band overlap each other There is no conduction band ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have high,specific heat Have low specific heat Are lighter Have large coefficient of expansion Have high,specific heat Have low specific heat Are lighter Have large coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics The moment of inertia of a body does not depend upon its Angular velocity Distribution of mass Axis of rotation Form of mass Angular velocity Distribution of mass Axis of rotation Form of mass ANSWER DOWNLOAD EXAMIANS APP