Activity 8.1:
Aim: To study the difference between real image and virtual image
Materials and apparatus: A piece of black A4 cardboard, a piece of white A4 cardboard, a candle, pin, mirror.
Instruction
1. Use a pin to pierce a hole in a black A4 cardboard.
2. Arrange the materials and apparatus as in Figure 8.1. Use a white A4 cardboard as a screen where the image will be formed.
3. Observe the image formed on the second cardboard which is used as a screen.
4. Choose a student to stand in front of a mirror as shown in Figure 8.2.
Observe the image formed.
Questions
1. Is the image formed in Figure 8.1 real or virtual?
2. Compare the characteristics of the image formed in Figure 8.1 with Figure 8.2.
Answer:
1. Real image
2. The image in Figure 8.1 is a real image while the image in Figure 8.2 is a virtual image.
Aim: To study the difference between real image and virtual image
Materials and apparatus: A piece of black A4 cardboard, a piece of white A4 cardboard, a candle, pin, mirror.
Instruction
1. Use a pin to pierce a hole in a black A4 cardboard.
2. Arrange the materials and apparatus as in Figure 8.1. Use a white A4 cardboard as a screen where the image will be formed.
3. Observe the image formed on the second cardboard which is used as a screen.
4. Choose a student to stand in front of a mirror as shown in Figure 8.2.
Observe the image formed.
Questions
1. Is the image formed in Figure 8.1 real or virtual?
2. Compare the characteristics of the image formed in Figure 8.1 with Figure 8.2.
Answer:
1. Real image
2. The image in Figure 8.1 is a real image while the image in Figure 8.2 is a virtual image.