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Question 18M.1.SL.TZ2.18

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ2.18
Level SL Paper 1 Time zone TZ2
Command term Question number 18 Adapted from N/A
18.
[Maximum mark: 1]
18M.1.SL.TZ2.18

A pair of slits in a double slit experiment are illuminated with monochromatic light of wavelength 480 nm. The slits are separated by 1.0 mm. What is the separation of the fringes when observed at a distance of 2.0 m from the slits?

A.     2.4 × 10–4 mm

B.     9.6 × 10–4 mm

C.     2.4 × 10–1 mm

D.     9.6 × 10–1 mm

[1]

Markscheme

D

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