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Hydrogen atom has one elctron. How then ...

Hydrogen atom has one elctron. How then many lines are originated in hydrogen spectrum?

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UNITED BOOK HOUSE-MODEL PAPER SET-01-EXERCISE
  1. The mass of an electron of charge 'e' is 'm'. The electron is moving i...

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  2. Which of the following relation represent Biot-Savart's law?

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  3. Which of the following, if any, can act as a source of electromagneti...

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  4. Which of the following, if any, can act as a source of electromagneti...

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  5. Which of the following, if any, can act as a source of electromagneti...

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  6. Hydrogen atom has one elctron. How then many lines are originated in h...

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  7. Explain how radioactive nuclei can emit beta-particle even though atom...

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  8. What do you mean by modulation index? What is its maximum and minimum ...

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  9. State Gauss's law in electrostatics. Proof of gauss law.

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  10. Derive an expression for the torque on a rectangular coil of area A ca...

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  11. State Ampere's circuital law. Using this law obtain an expression fo...

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  12. An object at the bottom of a tank containing two different liquids (wh...

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  13. Describe Davission and Germer experiment to establish the wave nature...

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  14. When a certain metalic surface is illuminated with monochromatic light...

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  15. State the law of radioactive decay. A radioactive material decays frac...

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  16. Draw Wheatstone bridge circuit and write down the balancing condition ...

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  17. An A.C. generator has smaller resistance than that of the resistive lo...

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  18. What is the time taken by A.C. of 50 Hz to invert its direction?

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  19. Mention three differences between interference and diffraction. Why is...

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  20. The ratio of the intensities of two coherent sources is 25:16. After ...

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