what are luminous objects

If we cannot see through an object at all, it is an _____ object

if you are able to see clearly through an object, it is allowing light to pass through it and is

Draw the things needed to form a shadow .

Which is an example of a translucent object?

• A thin sheet of paper

• A thin glass slab

• A thin iron sheet

• All of these

Opaque objects:

• Allow light to pass through them.

• Allow light to pass through them.

• Allow light not to pass through them.

• None of these

________are formed when an opaque object comes in the path of light

• I don't know

• Light

• Reflections

• Shadows

________ reflection gives us clear images

• Mirror

• Light

• Shadows

• I Don't know

______ travels in straight line.

• Light

• SHADOWS

• REFLECTIONS

• Pinhole camera

Pinhole camera can be made with simple materials and can be used to image the Sun and ______ lit objects