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PUNJAB BOARD PREVIOUS YEAR PAPERS-Particle Nature of Radiation-Exercise
- Define work function.
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- What are photo-electrons?
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- On what factors does the threshold frequency depend?
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- What must be the main feature of a metal used for photoelectric emiss...
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- Define thresold wavelength for phtoelectric effect.
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- What is photon?
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- Define stopping potential.
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- Select the correct option: The mass of photon at rest is
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- Select the correct option:
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- If the intensity of incident radiataions on a metal is doubled, what h...
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- Charge on photon is equal to:
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- Write de-Brogile hypothesis for matter wave and find an expression for...
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- Write Einsteins's photoelectric equation.
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- What is the rest mass of a photon?
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- What is photoelectric effect?
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- What is photoelectric cell? Explain any one of the photoelectric cell.
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- What is photo electric cell? Gives its two applications.
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- What is photo electric cell? Gives its two applications.
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- It is easier to remove an electron from sodium than from copper, why? ...
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- Blue light can eject electrons from a photo sensitive surface while o...
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