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प्रश्न
First diffraction minimum due to a single slit of width 1.0 × 10-5 cm is at 30°. Then wavelength of light used is ______.
पर्याय
400 Å
500 Å
600 Å
700 Å
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उत्तर
First diffraction minimum due to a single slit of width 1.0 × 10-5 cm is at 30°. Then wavelength of light used is 500 Å.
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संबंधित प्रश्न
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