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Q4: White light is incident on a soap film at an angle sin and the reflected light is observed with a spectroscope. It is found that two consecutive dark bands correspond to -7, wavelengths 6. 1 x 10m and 6 x 10m. If the refractive index of the film be 4/3, calculate its thickness

Q4: White light is incident on a soap film at an angle sin and the reflected light is observed with a spectroscope. It is found that two consecutive dark bands correspond to -7, wavelengths 6. 1 x 10m and 6 x 10m. If the refractive index of the film be 4/3, calculate its thickness

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* Q4: White light is incident on a soap film at ananglesin™'% § and the reflected light is observed with a spectrescope. It found that two consecutive dark bands correspond to wavelengths 6.1 x 10 7mand 6 x 10 7m. If the refractive index of the film be 4/3, calculate its thickness
Lia 10 Q4: White light is incident on a soap film at an angle sin-14 and the reflected light is observed with a spectroscope. It is found that two consecutive dark bands correspond to wavelengths 6. 1 x 10-'m and 6 x 10-7m. If the refractive index of the film be 4/3, calculate its thickness la o!
Transcribed Image Text:Lia 10 Q4: White light is incident on a soap film at an angle sin-14 and the reflected light is observed with a spectroscope. It is found that two consecutive dark bands correspond to wavelengths 6. 1 x 10-'m and 6 x 10-7m. If the refractive index of the film be 4/3, calculate its thickness la o!
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