Q1 MCQ Drill: 2018 Physical Sciences P1 (2018 NSC October/November National Examination)

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

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5 multiple-choice questions taken verbatim from Section A of the official 2018 NSC October/November National Examination 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 5 2 Marks

Inertia is the tendency of an object to …

A. maintain its mass.

B. continue in a state of non-uniform motion.

C. remain at rest or in the state of uniform motion.

D. maintain its velocity when a non-zero net force is acting on it.

Question 2 of 5 2 Marks

An object is projected vertically upwards. Ignore air resistance. As the object rises, its velocity …

A. and acceleration are both directed upwards.

B. and acceleration are both directed downwards.

C. is directed upwards, but its acceleration is directed downwards.

D. is directed downwards, but its acceleration is directed upwards.

Question 3 of 5 2 Marks

If the net work done on a moving object is POSITIVE, then we can conclude that the kinetic energy of the object …

A. is zero.

B. has increased.

C. has decreased.

D. has not changed.

Question 4 of 5 2 Marks

Which ONE of the following actions will NOT cause an increase in the induced emf in a coil if the coil is rotated in a uniform magnetic field?

A. Rotating the coil faster

B. Increasing the strength of the magnetic field

C. Increasing the number of turns of the coil

D. Replacing the coil with a coil of lower resistance

Question 5 of 5 2 Marks

A learner writes the following statements about the emission spectrum of light in a notebook: (i) An emission spectrum is formed when certain frequencies of electromagnetic radiation pass through a cold gas. (ii) The lines in the emission spectrum of an atom have the same frequency as the corresponding lines in the atom's absorption spectrum. (iii) An emission spectrum is formed when the atom makes transitions from a high-energy state to a lower energy state. Which ONE of the following combinations of the statements above is CORRECT?

A. (i) only

B. (ii) only

C. (ii) and (iii) only

D. (i) and (iii) only

Q1 MCQ Drill: 2018 Physical Sciences P1 (2018 NSC October/November National Examination)

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