Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Refraction Diffraction No option is correct Propagation Refraction Diffraction No option is correct Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Photons Electrons Protons Photoelectrons Photons Electrons Protons Photoelectrons ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Enrico Fermi Henri Becquerel Ernest Rutherfor Marie Curie Enrico Fermi Henri Becquerel Ernest Rutherfor Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Alpha particles Electromagnetic radiations Electrons Neutrons Alpha particles Electromagnetic radiations Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnetic waves are transverse in nature is evident by Interference Polarisation Diffraction Reflection Interference Polarisation Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
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