Physicsnews

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The frequency range of the light is between 400 to 790 THz.

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l to the c = 2.9979245×108 m s-1. This is approximately taken as 3×108 m s“1.

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Speed of Light : Light travels in the form of straight line. Light travels with constant speed in the vacuum and this constant speed is equa

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Light is a form of electromagnetic radiation
Light shows two types of nature It shows particle nature and it also shows the wave nature.

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The force through which earth attracts bodies towards their center is known as weight of the object

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Q. What is meta physics?
Ans. That knowledge which does not depend upon any laws r with any prove.
For ex: allah, farishta, jins etc

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Q. What happen if the earth stops their rotating?
Ans. The value of g becomes zero means earth does not attract any object.
Attaullah Shar

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Salam all followers we are very sorry b/c our service was off since few months inshaullah now with help of u we start it now very soon.

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The SI unit of luminous intensity is candela
The unit of power is watt
Afzal Abbasi

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Q: What will happen if you put a compass next to an electromagnet that is switched on?
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3.Zain Perzada Gilgit
4.Niaz Laghari Sanghar
5.Azhar Dahri Moro
6. Bilawal Shar Islamabad
7. Afzal Kalhoro Jamshoro
8. Ashfaq Shar Jamshoro.

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long as the magnet moves through the coil. A generator produces electricity this way.
1.Kamran Khaskheli Hyd
2.Nawaz Pathan Pacca Chang

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Ans: Magnetism can be used to produce electricity. This can be done by moving a magnet through a coil of wire. Electricity is produces as

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Q: How is magnetism used to produce electricity?
Ans: answer in next msg

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Q.How is magnetism used to produce electricity?
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needle to indicate direction.
7.Lodestone:A form of the mineral magnetize that is naturally magnetic or has become magnetized
Attaullah Shar

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5.Repel:To push away, as similar poles of two magnets push away from each other.
6.compass:An instrument that uses a freely moving magnetic

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found.
3.Pole: The end of a magnet.
4.attract: To pull toward one another, as opposite poles of two magnets pull toward one another.

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1.Magnet:An object that attracts metals such as iron and steel.
2.magnetic field:The space around a magnet in which a magnetic force can be

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university of sindh announces the admissions in bachelor program the forms are available in administration block of university.
Attaullah