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Question 19M.2.HL.TZ2.11bi

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Date May 2019 Marks available [Maximum mark: 2] Reference code 19M.2.HL.TZ2.11bi
Level HL Paper 2 Time zone TZ2
Command term Estimate Question number bi Adapted from N/A
bi.
[Maximum mark: 2]
19M.2.HL.TZ2.11bi
(bi)

Estimate, using the graph, the radius of a carbon-12 nucleus.

[2]

Markscheme

« d sin ⁡ θ = λ ⇒ »  d = 1.6 × 10 − 15 sin ⁡ 17 ∘ / 5.47 × 10 − 15 «m» ✔

R = d 2 ≈ 2.7 / 2.8 × 10 − 15 «m» ✔

Examiners report

Many candidates answered this well but calculated the diameter rather than the radius.

Syllabus sections