Total internal reflection occurs when light moves from?
A thin converging lens has a power of 4.0 diopters determined its focal length.
I. Total internal reflection of light.
II. Conservation of light energy.
III. Relative motion of the earth, sun and moon.
IV. Rectilinear propagation of light.
which of the above is a phenomenon of total solar eclipse?
An object of heights 5 cm is placed at 20 cm from a concave mirror of focal length 10 cm. the image height is?
Convex mirror are used as driving mirrors because images formed are?
