CvLTAELG1AAv7GMjp8RSaPGsvS8 PHY101 Assignment no 04 Spring 2013 Idea Solution |
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PHY101 Assignment no 04 Spring 2013

Physics (PHY101) VU of Pakistan
Assignment 4: (Spring 2013)
Due Date: 09/07/2013

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Question # 1

PHY101 Assignment no 04 Solution Spring 2013
What is the magnetic flux through this surface shown inabove figure?  Marks = 6

Question # 2

Compass needles point north because Earth’s magnetic north pole is located near the geographic North Pole. Either yes or no explain in each case witha solid reason.   Marks = 5
 Question # 3
PHY101 Assignment no 04 Solution Spring 2013_1Where µ0= 4π× 10-7N/A^2
What is the magnetic field strength and direction at point P shown inabove figure?  Marks = 5
Question # 4
Give your comments on the statement that “Magnetic fields exert a force on all moving electrically charged particles”. If yes explain it, if not prove it.    Marks = 5
Question # 5
Is it possible for an atom’s electrons that can exist at any energy level? Discuss it on the basis of modern theory.  Marks = 5

Question # 6
A student of physics says: “an electron falls from an energy level of -4.5 eV to -7.2 eV. It emits a photon with 2.7 eV of energy”. Give your comment on his claim.  Marks = 4

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