1

Which of the following shows the characteristics of a shadow?

  1. Its shape and size are the same as the object.
  2. It needs a screen for being formed.
  3. It is always black in color.
  4. It only shows the outline of the object.
    • 1, 2 and 3
    • 1, 2 and 4
    • 2, 3 and 4
    • 1, 2, 3 and 4