| Column-I | Column-II |
| A. Transparent substance | (p) It allows the light to pass through it almost completely |
| B. Opaque substance | (q) It emits light of its own |
| C. Luminous object | (r) It does not emit light of its own |
| D. Non-luminous object | (s) It does not allow light to pass through it |
A) \[A\to (p);B\to (q);C\to (r);D\to (s)\]
B) \[A\to (q);B\to (p);C\to (s);D\to (r)\]
C) \[A\to (p);B\to (r);C\to (q);D\to (s)\]
D) \[A\to (p);B\to (s);C\to (q);D\to (r)\]
Correct Answer: D
Solution :
\[A\to (p);B\to (s);C\to (q);D\to (r)\]
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