Anil Ahlawat Solutions for Chapter: Light, Shadows and Reflections, Exercise 1: EXERCISES

Which of the following are the properties of image formed by a plane mirror?
(i) The image is at the same distance as the object.
(ii) The image is upright.
(iii) The image is laterally inverted.

Which of the following explains why air is not visible? 

A girl is $4\mathrm{}\mathrm{m}$ away from the plane mirror. If she moves few steps closer to the mirror, what will happen to the size of image in the mirror?

Study the set-up below.

How will the shadow look like?

Fill in the blanks with most appropriate option.
Although a number of objects, such as kites, birds, aeroplanes move in space, but their shadow is not seen on the earth. This is due to the reason that the __i___, the region of complete __ii___ is not able to reach the earth. The region of partial __iii___, that is the __iv___ reaching the earth is too large and too faint to be visible to us.

The mirror image of 'TRANSPARENT' is :

Vijay puts some water into four cups made of steel, porcelain, glass, frosted glass respectively. Which one of these cups will allow him to see the level of the water clearly? 

Nisha placed a stick vertically in the playground at $8:15 \mathrm{am}$ in the morning. How will the shadow of the stick at $12:00$ noon be in comparison to the one at $8:15 \mathrm{am}$?