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| 1. |
when light of wavelengh 5000A^° in vaccum travels through same thickness in glass and water,the difference in the number of waves is 400.find thickness.(refractive indices of glass and water are 3/2and 4/3 respectively |
| Answer» when light of wavelengh 5000A^° in vaccum travels through same thickness in glass and water,the difference in the number of waves is 400.find thickness.(refractive indices of glass and water are 3/2and 4/3 respectively | |