| Date | November 2019 | Marks available | 1 | Reference code | 19N.1.HL.TZ0.27 |
| Level | Higher level | Paper | Paper 1 | Time zone | 0 - no time zone |
| Command term | Question number | 27 | Adapted from | N/A |
Question
Light of frequency 500 THz is incident on a single slit and forms a diffraction pattern. The first diffraction minimum forms at an angle of 2.4 x 10–3 rad to the central maximum. The frequency of the light is now changed to 750 THz. What is the angle between the first diffraction minimum and the central maximum?
A. 1.6 × 10–3 rad
B. 1.8 × 10–3 rad
C. 2.4 × 10–3 rad
D. 3.6 × 10–3 rad
Markscheme
A
Examiners report
Syllabus sections
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22M.1.HL.TZ1.30:
Light of wavelength is diffracted after passing through a very narrow single slit of width . The intensity of the central maximum of the diffracted light is . The slit width is doubled.
What is the intensity of central maximum and the angular position of the first minimum?
- 21N.1.HL.TZ0.27: When monochromatic light is incident on a single slit a diffraction pattern forms on a...
- 19N.2.HL.TZ0.10c(i): Draw, on the axes, the variation with diffraction angle of the intensity of light incident on...
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17N.2.HL.TZ0.6a.iii:
Calculate the separation of the two slits.
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21M.1.HL.TZ1.27:
The diagram shows the diffraction pattern for light passing through a single slit.
What is
A. 0.01
B. 0.02
C. 1
D. 2
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21M.1.HL.TZ2.29:
Monochromatic light of wavelength passes through a single-slit of width and produces a diffraction pattern on a screen. Which combination of changes to and will cause the greatest decrease in the width of the central maximum?
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19M.2.HL.TZ2.8cii:
Show that, due to single slit diffraction, the intensity at a point on the screen a distance of 28 mm from M is zero.
- 18M.1.HL.TZ2.25: A beam of monochromatic light is incident on a single slit and a diffraction pattern forms...
