The characteristics of a shadow are: 1. It is virtual and erect. 2. The image is of the same colour. 3. The shadow can be smaller, equal or bigger than the object. 4. It is erect. Which of the above are correct?

Options

A. 1 and 2
B. 2 and 4
C. 3 and 4
D. 2 and 3

Answer

option 3

Explanation

1. The shadow is same side up as the object; therefore, it is an erect image.
2. The shadow can be obtained on the screen; therefore, it is real.
3. The shadow is always black irrespective of the colour of the object.
4. The shadow can be smaller than the object, equal to the object or bigger than the object.