A-LevelPhysicsWavesOct/Nov 2012Paper 1 Q301 Mark
Monochromatic light of wavelength 690 nm passes through a diffraction grating with 300 lines per mm, producing a series of maxima on a screen. [Figure showing diffraction grating and screen] What is the greatest number of maxima that can be observed?
A4
B5
C8
D9
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of waves within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep