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If a monochromatic source of light of po...

If a monochromatic source of light of power 1 kW emits `6xx10^(22)` photons per second , then what should be the frequency of light emitted from the source ?

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To find the frequency of light emitted from a monochromatic source of light with a given power and number of emitted photons per second, we can follow these steps: ### Step 1: Understand the relationship between power, energy, and photons The power \( P \) of the light source is the energy emitted per unit time. If \( N \) is the number of photons emitted per second, and each photon has energy \( E \), then: \[ P = N \cdot E \] ...
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MODERN PUBLICATION-DUAL NATURE OF RADIATION AND MATTER -CHAPTER PRACTICE TEST
  1. If a monochromatic source of light of power 1 kW emits 6xx10^(22) phot...

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  2. Define the term 'stopping potential' in relation to photoelectric effe...

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  3. How the kinetic energy of ejected electrons depends on the intensity o...

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  4. A proton and an electron have same velocity. Which one has greater de ...

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  5. What would be the de Broglie wavelength of an electron possessing 100 ...

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  6. Find the momentum of a wavelength 0.03Å if planck's constant is h.

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  7. (a) Why photoelectric effect cannot be explained on the basis of wave ...

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  8. The graph shows variation of stopping potential V(0) versus frequency ...

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  9. Plot a graph showing variation of de-broglie wavelength lambda versus ...

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  10. A photon and an elecron have the same de Broglie wavelength. Which has...

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  11. Show that the do Broglie wavelength lamda of an electron of energy ...

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  12. Define threshold frequency and work function of a metal. Show that do ...

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  13. Light of intensity I and frequency nu is incident on a photosensitive ...

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  14. Write the three characteristic features in photoelectric effect which...

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  15. In a plot of photoelectric current versus anode potential, how does ...

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  16. An electron microscope uses electrons accelerated by a voltage of 50kV...

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