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What is the value of Plancks' constant i...

What is the value of Plancks' constant in SI unit?

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`h=6.626xx10^(-34)J*s`
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CHHAYA PUBLICATION-STRUCTURE OF ATOM-WARM UP EXERCISE
  1. Why electronic energy is negative?

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  2. What do you understand by stationary states?

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  3. What is the value of Plancks' constant in SI unit?

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  4. Differentiate between Rydberg formula & Balmerr formula.

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  5. Why do we consider each stationary state an an energy level with a def...

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  6. How many photons are emitted in the transition of the electron from th...

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  7. How is the radius of an electronic orbit related to principle quantum ...

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  8. Prove that, velocity of an electron in the first orbit in twice of tha...

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  9. Which theory forms the basis of Bohr's atomic model?

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  10. bohr's theory is not applicable to which of the following species? (i)...

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  11. Who proposed the concept of dual nature of electron?

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  12. What are the Broglie waves?

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  13. Write the Broglie equation for microscopic particles.

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  14. What is the relation between wave nature and particle nature of moving...

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  15. Derive a relation between kinetic energy and de Broglie wavelength ass...

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  16. What happens to the de Broglie wavelength associated with a moving par...

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  17. A hard struck cricket ball does not produce waves. Why?

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  18. Two particles P and Q are moving with the same velocity, but de brogli...

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  19. Compare the wavelengths of a molecule of each O(2) and CO(2), travelli...

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  20. Why is de Broglie wave termed as matter wave?

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