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Answer the questions : When a tiny ci...

Answer the questions :
When a tiny circular obstacle is placed in the path of light from a distant soureR, a bright spot is seen at the centre of the shadow of the obstacle, Explain why ?

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Waves diffracted from the edge of the circular obstacle interfer constructively at the centre of the shadow producing a bright spot.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-WAVE OPTICS -Additional Exercises
  1. Estimate the distance for which ray optics is good approximation for a...

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  2. The 6563 Å Ha line emitted by hydrogen in a star is found to be red-sh...

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  3. Explain how Corpuscular theory predicts the speed of light be greater ...

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  4. You have learnt in the text how Huygens' principle leads to the laws o...

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  5. Let us list some of the factors, which could possibly influence the sp...

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  6. Let us list some of the factors, which could possibly influence the sp...

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  7. For sound waves, the Doppler formula for frequency shift differs sligh...

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

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  9. Answer the questions : In a single slit diffraction experiment, the ...

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  10. Answer the questions : In what way is diffraction from each slit re...

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  11. Answer the questions : When a tiny circular obstacle is placed in t...

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  12. Answer the questions : Two students are separated by a 7 m partitio...

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  13. Answer the questions : Ray optics is based on the assumption that l...

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

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

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  16. Answer the questions : When a low flying aircraft passes overhead, w...

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  17. Answer the questions : As you have learnt in the text, the principl...

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

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