The object X is made up of two materials 1 and 2.When the light is shone on it, it casts a shadow on
screen as shown in the picture.
Identify materials 1 and 2 of which object X is made.
|Material 1||Material 2|
|B||Cardboard||Clear plastic sheet|
|C||Clear cellophane paper||Styrofoam|
is answer B correct?