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Question

Which of the following is a self luminous object?

A
Candle
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B
Bulb
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C
CFL
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D
Sun
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Solution

The correct option is D Sun
Objects that emit light on their own are called luminous objects. Best examples of luminous objects are the sun, stars, light bulb etc.
Now, the objects that produce and emit their their own light are self luminous object.
Therefore, Sun is the only self luminous object as it produces its own light,

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