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A thin film of thickness t and index of refraction 1.33 coats a glass with index of refraction 1.50.Which of the following thickness t will not reflect normally incident light with wavelength 640 nm in air? 120nm,240nm,300nm,480nm (ans is 120 nm)
A thin film of thickness t and index of refraction 1.33 coats a glass with index of refraction 1.50.Which of the following thickness t will not reflect normally incident light with wavelength 640 nm in air?
120nm,240nm,300nm,480nm
(ans is 120 nm)
Dear student, Its a formula based question(Introduction of thin film). The correct ans is 120 nm. Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation. All the best. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar.. Askiitians Expert Sagar Singh B.Tech, IIT Delhi
Dear student,
Its a formula based question(Introduction of thin film). The correct ans is 120 nm.
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation. All the best. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar.. Askiitians Expert Sagar Singh B.Tech, IIT Delhi
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.
All the best.
Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.
Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar..
Askiitians Expert
Sagar Singh
B.Tech, IIT Delhi
A thin film of thickness t and index of refraction 1.33 coats a glass with index of refraction 1.50. Which of the following thickness t will not reflect normally incident light with wavelength 640nm in air?
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