Q1 MCQ Drill: 2023 Physical Sciences P1 (2023 Oct/Nov Final NSC (National DBE))

Physical Sciences Past Paper Question 1 Drill Level 1: Knowledge & Recall

5:00

3 multiple-choice questions taken verbatim from Section A of the official 2023 Oct/Nov Final NSC (National DBE) Physical Sciences Paper 1, auto-marked against the official marking guideline. Questions that rely on diagrams or graphs are excluded - see the full paper for those.

Question 1 of 3 2 Marks

A constant net force is applied to a block. Which ONE of the following statements is CORRECT? The block will move with a …

A. constant velocity.

B. constant acceleration.

C. constantly increasing acceleration.

D. constantly decreasing acceleration.

Question 2 of 3 2 Marks

A train moving at a constant velocity towards a stationary listener emits sound waves of constant frequency. Which ONE the following statements about the sound waves observed by the listener is CORRECT? The observed …

A. frequency is higher than the emitted frequency.

B. wavelength is longer than the emitted wavelength.

C. frequency is lower than the emitted frequency.

D. wavelength is equal to the emitted wavelength.

Question 3 of 3 2 Marks

Light of a suitable frequency is shone on the surface of a metal and electrons are ejected from the metal. Which ONE of the following is equal to the ratio of the work function to the threshold frequency of the metal?

A. Planck's constant

B. The inverse of Planck's constant

C. The energy of the incident photons

D. The maximum kinetic energy of the ejected electrons

Q1 MCQ Drill: 2023 Physical Sciences P1 (2023 Oct/Nov Final NSC (National DBE))

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