MCQ
We can see any object if:
- AIt is a luminous object.
- BIt reflects the light falling on it.
- CIt is placed in a dark room.
- ✓Both $(a)$ and $(b).$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
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S.No.
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Mixture
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Wanted
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Unwanted
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$1.$
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Wheat flour
|
Flour
|
$X$
|
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$2.$
|
$Y$
|
Grain seeds
|
Stalks
|