Classify the given transparent, translucent and opaque objects.

Q. Explain how materials are classified as transparent, translucent, and opaque.

Q.

Why do opaque objects cast a shadow, while transparent and translucent objects don't?

Q. Wooden objects are
(a) transparent
(b) translucent
(c) opaque
(d) soluble

Q. Classify the following as opaque, transparent or translucent, and luminous or non-luminous.

Air, Water, Red hot iron, Umbrella, Firefly, Moon.
(3 marks)

Q.

What do you mean by opaque, transparent and translucent objects? Give one example for each of them.
[3 marks]