Question

13. Objects which emit light of their own are called

A) luminous objects B) beautiful objects C)ugly objects D) none
​

Answer 1

Answer:

a

Explanation:

because light giving objects are called luminous objects

Answer 2

${\large{\bigstar \:{\pmb{\sf{\underline{Required \; Solution...}}}}}}$

Question: Objects which emit light of their own are called

$\begin{gathered}\boxed{\begin{array}{c}\\ \bf \bigstar \: Options \: are \: provided \: below \\ \\ \sf{A) \: Luminous \: objects} \\ \\ \sf {B) \: Beautiful \: objects} \\ \\ \sf{C) \: Ugly \: objects} \\ \\ \sf{D) \: None} \end{array}}\end{gathered}$

Solution: Objects which emit light of their own are called luminous objects.

$\begin{gathered}\boxed{\begin{array}{c}\\ \bf \bigstar \: Correct \: solution \: is \: mentioned \\ \\ \sf{A) \: Luminous \: objects} \: \boxed{\checkmark} \\ \\ \sf {B) \: Beautiful \: objects} \\ \\ \sf{C) \: Ugly \: objects} \\ \\ \sf{D) \: None} \end{array}}\end{gathered}$

Explanation:

⋆ Luminous objects are those objects which have their own light. Objects which emit light of their own are called luminous objects. For example, Sun.

⋆ Any object can be beautiful then can it be start emitting it's own light? It isn't possible. So, beautiful objects is wrong.

⋆ Any object can be ugly too then can it be start emitting it's own light? It isn't possible. So, ugly objects is wrong.

More information:

⋆ Non-luminous objects: Non-luminous objects are those objects which haven't their own light. Objects which doesn't emit light of their own are called non-luminous objects. For example, moon.