Explain the construction and working of a compound microscope.

The speed of light in an isotropic medium depends on:

The splitting up of white light into seven colours on passing through a glass prism is called:

A student obtained a sharp image of the grill of a window on a screen using a convex lens. For better results, the teacher suggested focusing of a distant tree instead of the grill. In what direction should the lens be moved for this purpose?

A convex lens is distinguished from a concave lens by the property of 

A beam of light is incident through the holes on side A and emerges out of the holes on the other face of the box as shown in figure. Which of the following could be inside the box?

Examine the lenses in a compound microscope. Are they convex or concave lenses?