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Estimate the distance for which for whic...

Estimate the distance for which for which ray optics is good approximation for an aperture of `4 mm` and wavelength `400 nm`.

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40 m
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NCERT TAMIL-WAVE OPTICS-EXERCISES
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  3. Light of wavelength 5000 Å falls on a plane reflecting surface. What a...

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  4. Estimate the distance for which for which ray optics is good approxima...

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  5. The 6563 Å H(2) line emitted by hydrogen in a star is found to be red ...

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  6. Explain how Corpuscular theory predicts the speed of light in a medium...

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  7. You have learnt in the text how Huygens’ principle leads to the laws o...

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  8. Let us list some of the factors, which could possibly infuence the spe...

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  9. For sound waves, the Doppler's formula for frequency shift differs sli...

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  10. In double slit experiment using light of wavelength 600 nm, the angula...

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  11. In a single slit diffraction experiment, the width of the slit is made...

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  12. Answer the following questions: (b) In what way is diffraction from ...

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  13. Answer the following questions: (c) When a tiny circular obstacle is...

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  14. Answer the following questions: (d) Two students are separated by a ...

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  15. Answer the following questions: (e) Ray optics is based on the assum...

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  16. Two towers on top of two hills are 40 km apart. The line joining them ...

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  17. A parallel beam of light of wavelength 500 nm falls on a narrow slit ...

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  18. a. When a low flying aircraft passes over head, we sometimes notice a ...

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  19. Answer the following questions : (a) When a low flying aircraft pass...

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  20. In deriving the single slit diffraction pattern, it was stated that th...

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