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An electron revolving in nth Bohr orbit has
magnetic moment un . If x
n n , the value of x is:
(1) 2 (2) 1
(3) 3 (4) 0
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Frequently Asked Questions
How to prepare for IIT-JEE Physics?
To prepare for IIT-JEE Physics, focus on understanding concepts rather than memorizing formulas. Practice solving a variety of problems, especially previous years’ questions. Create a study schedule that covers all topics, with extra time for challenging areas like Mechanics and Electromagnetism. Regular revision and mock tests are essential for success.
What is the difference between electric potential and electric potential energy?
Electric potential is the electric potential energy per unit charge, measured in volts (V). It’s a property of a point in space. Electric potential energy is the energy possessed by a charge due to its position in an electric field, measured in joules (J). It depends on both the charge and its position.
What is the photoelectric effect?
The photoelectric effect is the emission of electrons from a material when light shines on it. Einstein explained that light consists of discrete packets of energy called photons. If a photon has enough energy (above the work function of the material), it can eject an electron. This phenomenon demonstrates the particle nature of light and was crucial in the development of quantum theory.
