Boojho found a bag containing the following materials.
- Mirror
- Paper stained with oil
- Magnet
- Glass spectacles
Help Boojho in finding out the material(s) which is/ are opaque.
(a) (i) only(b) (iv) only(c) (i) and (iii)(d) (ii) and (iv)
Correct Answer: (c) (i) and (iii)
Explanation: Mirror is opaque since it is painted on one side. Magnet is opaque since it is made up of iron metal.
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