Question

Q:define shadow.what is the reason of shadow formation?
Q:which type of material cast shadow? Transparent translucent or opaque
Q: take two different materials one is cardboard other is tracing paper. Explain which one cast darker and which cast lighter shadow?
Q:predict what will you observe when the following materials are held between a light source and wall
1.a sheet of clear plastic
2.a sheet of red cellophane
3.a piece of tissue paper
4.a sheet of blue cellophane.
Q:what objects are they? Classify according to transmission of light rays.( transparent translucent opaque?


Imprnt q answer quickly the first one to answer I will mark as brainliest promise

Answer 1

1. When an opaque object is kept on the path of light. It forms a shadow.

2. Opaque material which doesn’t pass light causes shadow.

3. Cardboard is darker than tracing paper coz it is more dark.

4.
a) no (if transparent)

b)no( transparent)
c) yes(trans Lucent )
d)no( transparent )

Pl mark brain lowest