DP Physics (first assessment 2025)

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Question 22M.1A.SL.TZ2.5

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ2.5
Level SL Paper 1A Time zone TZ2
Command term Question number 5 Adapted from N/A
5.
[Maximum mark: 1]
22M.1A.SL.TZ2.5

An object is sliding from rest down a frictionless inclined plane. The object slides 1.0 m during the first second.

What distance will the object slide during the next second?

A.  1.0 m

B.  2.0 m

C.  3.0 m

D.  4.9 m

[1]

Markscheme

C

Examiners report

The correct response, option C was the most popular chosen at HL but at SL significantly more candidates chose options A or B. The difficulty index of 21 and discrimination index of 0.27 at SL indicates that students found the question to be hard with lower discrimination between stronger and weaker candidates. It is felt that those who chose option A did not realise the block was accelerating down the slope, whereas those choosing B did but were unable to calculate the acceleration correctly.

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