Electrons are accelerated through a potential difference of 15kV. The electrons collide with a metal target and a spectrum of X-rays is produced.
(i) Explain why a continuous spectrum of energies of X-ray photons is produced.

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth's center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

Decreased sensitivity to an unchanging stimulus is known as