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How tunneling microscope has become usef...

How tunneling microscope has become useful to estimate size of atom ?

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Tunneling microscope is developed to study nanotechnology.
It has resolution power of more than.
This is used to estimate size of atom.
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KUMAR PRAKASHAN-UNITS AND MEASUREMENT-SECTION -A (QUESTIONS- ANSWERS)
  1. Which type of waves are used in electron microscope ?

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  2. Write a note on electron microscope.

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  3. How tunneling microscope has become useful to estimate size of atom ?

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  4. Explain method to determine size of molecule of oleic acid.

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  5. Give range of length scale in physics.

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  6. Define Astronomical unit, light year and parsec.

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  7. What is mass? Write effect of external factor on mass.

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  8. Write unit of mass in nuclear physics and write its unit.

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  9. Explain measurement of mass of body.

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  10. What is the range of masses we study in physics ?

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  11. Explain how time was measured in ancient times. Also write note on ces...

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  12. Write ratio of maximum and minimum length in the universe.

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  13. Write ratio of maximum and minimum time observed in universe.

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  14. Write ratio of maximum and minimum mass in universe.

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  15. Explain accuracy and precision in measurement.

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  16. What is accuracy in measurement ? Accuracy depend on which factors ?

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  17. Write difference between Mistake and Error.

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  18. Write type or error in measurement of physical quantity and explain.

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  19. Explain least count and least count error. Write a note on least count...

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  20. What is estimation of error ? Write method for estimation.

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