Based on Fig. 11.18, match the position of the torch in Column A with the characteristics of the ball's shadow in Column B. Class 7
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Based on Fig. 11.18, match the position of the torch in Column A with the characteristics of the ball's shadow in Column B. Class 7
Based on Fig. 11.18, match the position of the torch in Column A with the characteristics of the ball's shadow in Column B. Class 7
| Column A | Column B |
| If the torch is close to the ball | |
| If the torch is far away | |
| If the ball is removed from the set-up | |
| If two torches are present in the set-up on the left side of the ball |
Answer:
| Column A | Column B |
| If the torch is close to the ball | The shadow would be larger |
| If the torch is far away | The shadow would be smaller |
| If the ball is removed from the set-up | A bright spot would appear on the screen |
| If two torches are present in the set-up on the left side of the ball | Two shadows would appear on the screen |
Suppose you view the tree shown in Fig. 11.19 through a pinhole camera. Sketch the outline of the image of the tree formed in the pinhole camera.
Answer:
