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State the Einstein photoelectric equatio...

State the Einstein photoelectric equation.

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State two important features of Einstein's photoelectric equation.

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Write down Einstein's photoelectric equation and mention the symbols used. The photoelectric threshold wavelength for a certain metal is 400 nm. Find the maximum kinetic energy of the emitted electrons from the metal surface by ultraviolet light of wavelength 200 nm. Given, h= 6.63 xx 10^(-34) J.s

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Using photon picture of light, show how Einstein's photoelectric equation can be established. Write two features of photoelectric effect which cannot be explained by wave theory.

Statement I: The maximum velocity of the photoelectron emitted from a metal surface does not increase even if the intensity of the incident electromagnetic wave is increased. Statement II: Einstein's photoelectric equation: (1)/(2) mv_("max")^(2) = hf - W_(0)

UNITED BOOK HOUSE-MODEL PAPER SET-14-EXERCISE
  1. In a metal maximum magnetic permittivity is0.126 Tm//A, What will be ...

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  2. Why any object get heated easily in microwave if it has moisture in it...

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  3. The electron in a hydrogen atom is in n=2 state. When it drops to the ...

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  4. Write down two importances of modulation for signal transferring

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  5. What type,of wave is used for LOS [Line of Sight Model]? What is the r...

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  6. A parallel plate capacitorjs charged by a battery and then the battery...

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  7. A 600pF Capacitor is connected with a 200V battery .After removing th...

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  8. Obtain for the magnetic induction, vector at a point on the axis of a ...

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  9. State the Einstein photoelectric equation.

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  10. The de Broglie wavelength of a proton and an electron are same, then w...

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  11. A photon and a proton have the same de – Broglie wavelength λ.Show tha...

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  12. What do, you mean by current density? What is the relation between cur...

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  13. Two cells having emf l.5Vand 2V have internal resistance 0.2 Omega and...

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  14. A generator supplied power to a factory through cables of total resist...

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  15. A 20 Omega wire is used to supply current in a'circuit. If 5000V be th...

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  16. Define Mutual inductance.

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  17. The rate change of flux change inside on core of self inductance 0.5 H...

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  18. Draw the variation of Capacitive reactance with the change in frequenc...

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  19. A pure inductive coil is connected between the sides of an AC source....

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  20. Obtain the relation between brewster’s angle and the refractive index ...

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