I have read that the photon cannot exist in rest position. Is it true and if it is true how can we say that? Is light able to move any object as it is considered as rays of material particle called photon?
A reflecting, spherical Christmas tree ornament has a diameter of 7.0 cm. A child looks at the ornament from a distance of 21 cm. Describe the image she sees.
a photon of energy E is scattered from a free electron of rest mass mo and observed at angle greater than pi/3.Show that the energy of the scattered photon is less than 2moc^2,howsoever large the value of E may be.
why is it possible to produce the fission of uranium(235) with slow neutrons where as it is necessary to use fast neutrons to produce the fission of uranium(238)