In which of the following two arrangements (a) and (b) shown in the diagram, you can see the light of the bulb? explain your answer. [2 marks]

Open in App

Solution

We can see the light of the bulb in the arrangement (a).
[1 mark]

This is so because in arrangement 'a' the rod is straight and light travels in a straight line path.
Whereas in arrangement 'b' the rod is bent. So the light cannot pass through it.
[1 mark]

Suggest Corrections

Similar questions

What can you see in a completely dark room ? If you switch on an electric bulb in this dark room as a light source, explain how you could now see : (a) the electric bulb. (b) a piece of white paper.

Fig.816 shows two ways of connecting the three bulbs A, B and C to a battery. Name the two arrangements. Which of them do you prefer to use in a household circuit? Give a reason to support your answer.

Q. Look carefully at these two circuit diagrams and answer the questions that follow.
figure

(a) How many cells are there in each diagram?
(b) Which of the circuits, i and ii, is a parallel circuit?
(c) In circuit i, if bulb A fuses, what will happen?
(d) In circuit ii, how could you get only bulb D to light?

Q. In which of the following two arrangements (a) and (b) shown in the diagram, you can see the light of the bulb? explain your answer.

Q. What can you see in a completely dark room? If you switch on an electric bulb in this dark room as a light source, explain how you could now see:
(a) the electric bulb
(b) a piece of white paper.

Join BYJU'S Learning Program

In which of the following two arrangements (a) and (b) shown in the diagram, you can see the light of the bulb? explain your answer. [2 marks]

We can see the light of the bulb in the arrangement (a). [1 mark] This is so because in arrangement 'a' the rod is straight and light travels in a straight line path. Whereas in arrangement 'b' the rod is bent. So the light cannot pass through it. [1 mark]

We can see the light of the bulb in the arrangement (a).
[1 mark]

This is so because in arrangement 'a' the rod is straight and light travels in a straight line path.
Whereas in arrangement 'b' the rod is bent. So the light cannot pass through it.
[1 mark]