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13. An air wedge L = 9.0 cm in length is formed between two glass plates (nglass = 1.56) separated at one edge by a small block of height d = 0.025 mm (1 mm = 10–3 m) (see fig.). Light of wavelength A = 500 nm (1 nm = 10–9 m) is normally incident on the wedge from above. d = 0.025 mm L = 9.00 cm a) At what x values are the first and second bright bands? b) At what x values are the first and second dark bands? c) What is the total number of dark bands along the entire length of the wedge? d) What would be the total number of dark bands if the air between the glass plates was replaced by water (nwater = 1.33)?

13. An air wedge L = 9.0 cm in length is formed between two glass plates (nglass = 1.56) separated at one edge by a small block of height d = 0.025 mm (1 mm = 10–3 m) (see fig.). Light of wavelength A = 500 nm (1 nm = 10–9 m) is normally incident on the wedge from above. d = 0.025 mm L = 9.00 cm a) At what x values are the first and second bright bands? b) At what x values are the first and second dark bands? c) What is the total number of dark bands along the entire length of the wedge? d) What would be the total number of dark bands if the air between the glass plates was replaced by water (nwater = 1.33)?

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13. An air wedge L = 9.0 cm in length is formed between two glass plates (nglass = 1.56) separated at one edge by a small block of height d = 0.025 mm (1 mm = 10–3 m) (see fig.). Light of wavelength A = 500 nm (1 nm = 10–9 m) is normally incident on the wedge from above. d = 0.025 mm L = 9.00 cm a) At what x values are the first and second bright bands? b) At what x values are the first and second dark bands? c) What is the total number of dark bands along the entire length of the wedge? d) What would be the total number of dark bands if the air between the glass plates was replaced by water (nwater = 1.33)?
Transcribed Image Text:13. An air wedge L = 9.0 cm in length is formed between two glass plates (nglass = 1.56) separated at one edge by a small block of height d = 0.025 mm (1 mm = 10–3 m) (see fig.). Light of wavelength A = 500 nm (1 nm = 10–9 m) is normally incident on the wedge from above. d = 0.025 mm L = 9.00 cm a) At what x values are the first and second bright bands? b) At what x values are the first and second dark bands? c) What is the total number of dark bands along the entire length of the wedge? d) What would be the total number of dark bands if the air between the glass plates was replaced by water (nwater = 1.33)?
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