Swer these questions. 1. Why does the Moon have phases?2. Why is the Earth most suitable planet for lifeon it?3. How does the ozone layer protect the life onthe Earth?4. What is a classical planet? Why is Pluto notcalled a planet now5. Why do stars appear to move from east to west6. How can you locate the Pole Star with the helof the constellation Ursa Major?

Swer these questions. 1. Why does the Moon have phases?2. Why is the

1.	Swer these questions. 1. Why does the Moon have phases?2. Why is the Earth most suitable planet for lifeon it?3. How does the ozone layer protect the life onthe Earth?4. What is a classical planet? Why is Pluto notcalled a planet now5. Why do stars appear to move from east to west6. How can you locate the Pole Star with the helof the constellation Ursa Major?
Answer» 3.the ozone LAYER protect us from the U.V rays to won't ENTRE on to the earth.theU.V rays was very dangerous

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Explain formation of rainbow with the help of a diagram.
consider the equation x=A sin (wt + pi/2) for a vibration object, where A is the amplitude. The Initial position of the object will be?
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acceleration of projection of a particle moving in a circle is related to the angular frequency w as?
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The waveform of SHM is?

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