Different Types of Objects.

Q2.What is different types of objects?
Ans. Different types of objects are:

  • Luminous objects: Objects which emits light of their own are called Luminous objects.
    Example: Stars, electric bulb, burning candle.
  • Non luminous objects: Objects which do not emit light of their own are called non luminous objects.
    Example: Moon.
  • Point size objects: Objects of small size are known as point size objects. Point sized objects are noted by a dot.
  • Extended objects: Large objects are known as extended objects. Extended objects are represented by drawing an arrow pointing upwards.

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