Question

(b) Electric bulb
(d) Jelly fish
is an artificial source of light.
(a) The Sun
(c) Firefly
We can see a reflected image on
(a)
a shadow
(c) a rough surface
We cannot get a shadow when there is
(a) a screen
a light source

(b) a polished surface
(d) pinhole camera
(b) an opaque object
(d) a transparent object
(c)​

Answer 1

Explanation:

Electric Bulb

A rough Surface

A transparent Object

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Answer 2

Answer:

tell it clear i can't understand it