A-Level
EDEXCEL
Physics
January 2026
9 Marks
QP-202601-Physics-U2A · Question 19
Question (excerpt):
21 19 A laser, a diffraction grating and a screen are setup as shown. The laser emits monochromatic light. laser diffraction grating screen When the laser is switched on, a series of bright dot…
21 19 A laser, a diffraction grating and a screen are setup as shown. The laser emits monochromatic light. laser diffraction grating screen When the laser is switched on, a series of bright dot…
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