Question

Heyaa!!!
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:-) :-) Happy new year :-) :-)
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hers a happy question for u =

1.Can u plz tell me how rainbows r formed ???
2. What r laws of reflection ???
3. Write difference between real and virtual image .
4. 72 km/h = ---------- m/s .
5. what is a simple pendulum ???
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plz tell it in simple language .
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and as fast as u can .
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need only answers ..
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no copied answer from google or any other browser .

:-) :-) Thnx :-) :-)
:-) :-) Have a great day :-) :-)

Answer 1

1. diversion of sun
3. real images - an image formed on a screen is called a real image
virtual- the image formed by a plane mirror could not be obtained on a screen such an image is a called virtual image
5. a simple pendulum consisting of a small metallic ball or a piece of stone suspended from a rigid stand by a three the metallic ball is called the bob of the pendulum

Answer 2

4 1300m/s........... ............