Observe the size and direction of your shadow, when you stand in the sunlight in the morning and in the evening.
(i) Is the length of your shadow the same as your height?
(ii) What is the direction of the shadow? Does it fall in the direction of the source of light or in the direction opposite to the light source?
(iii) Compare the nature of the shadow formed in this activity with that of the shadow formed when an object is kept in the path of the cathode rays.
(i) No, the length of the shadow is not the same as the height.
(ii) The direction of the shadow falls in the direction opposite to the light source.
(iii) The shadow formed when an object is kept in the path of cathode rays is of the same size and shape to that of the object whiles here the shadow of the boy is smaller in shape and size.