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DUAL NATURE OF RADIATION AND MATTER
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KUMAR PRAKASHAN-DUAL NATURE OF RADIATION AND MATTER-Section-A Try yourself
- Which particles are responsible for conductivity of metal?
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- Define work function of metal and write its unit.
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- Write dimensional formula of electron volt?
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- Define an electron Volt and show it in Joule unit.
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- 1 J is equal to how many electron volt?
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- What is value (magnitude) of electric field required for field emissio...
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- What is photoelectron?
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- What did Hertz observe in experiment to produce electomagnetic waves?
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- In Lenard's experiment what is effect on current when ultraviolet radi...
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- Define threshold frequency.
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- Value of threshold frequency depend on which factors?
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- For most metals threshold frequencies lie in which region?
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- For alkali metals threshold frequencies lie in which region?
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- How frequency of incident radiation is changed in experiment of photoe...
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- How intensity of incident radiation is changed in experiment of photoe...
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- No. of photoelectrons emitted varies with which physical quantity?
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- What is saturation current?
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- What is stopping potential?
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- What is cut-off potential ?
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- Energy of photoelectron depends on which factors?
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