Question

Explain the reason briefly for each of the following observations:
a) Some old people keep news paper a little away from them while reading it
b) Some people wear spectacles with concave lens
c) We can see our image on a mirror but not on a wall though light is reflected from both​

Answer 1

Answer:

a) because through specs close things are seen blury while far things are seen clear

c) because wall is an opaque object and it forms a shadow

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