Which of the following is an example of a luminous object?

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Chair

Sun

Pencil

Table

answer is B.

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Detailed Solution

The Sun is an example of a luminous object.
Luminous objects are those that emit light on their own. Examples include the sun and the flame of a burning candle. Non-luminous objects are those that cannot produce light on their own. Instead, these objects reflect light coming from luminous bodies. For example, the sun emits light of its own but chairs, pencils and tables do not emit light of their own.

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