Question 1

Observe the picture given in Fig. 11.1 carefully. Fig. 11.1 A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?

This question refers to a figure in the original PDF.

• (a)A wooden board
• (b)A glass sheet
• (c)A mirror
• (d)A sheet of white paper, 2. A student observes a tree given in Fig. 11.2 through a pin hole camera. Which of the diagrams given in Fig. 11.3 (a) to (d), depicts the image seen by her correctly? Fig. 11.2 L IGHT 65 (a) (b) (c) (d) Fig. 11.3