Question

3] Boojho found a bag containing the following materials.

(i) Mirror

(ii) Paper stained with oil

(iii) Magnet

(iv) Glass spectacles

Help Boojho in finding out the material(s) which is/ are opaque.

Solution:

(a) (i) only

(b) (iv) only

(c) (i) and (iii)

(d) (ii) and ​

Answer 1

ANSWER:-

The materials which are opaque are :

Mirror and magnet. (option c)

• Magnet because it is clearly opaque.
• Mirror because we can see ourselves but we cannot see on the other side of the mirror.

EXPLANATION:-

Opaque means the objects through which we cannot see.

Answer 2

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