Q1 MCQ Drill: 2019 Physical Sciences P1 (2019 NSC May/June Mid-Year Examination)

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

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7 multiple-choice questions taken verbatim from Section A of the official 2019 NSC May/June Mid-Year 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 7 2 Marks

A car is moving at a constant velocity. Which ONE of the following statements about the forces acting on the car is CORRECT?

A. The net force acting on the car is zero.

B. There are no forces acting on the car.

C. The weight of the car is equal to the normal force acting on the car.

D. There is a non-zero net force acting on the car.

Question 2 of 7 2 Marks

A ball is projected vertically upwards. Ignore air resistance. Which ONE of the following statements about the acceleration of the ball at its maximum height is CORRECT? The acceleration is equal to …

A. zero.

B. g and is directed downwards.

C. g and is directed upwards.

D. g and is directed horizontally.

Question 3 of 7 2 Marks

Ball M, moving at speed v to the right, collides with a stationary ball N on a smooth horizontal surface. Immediately after the collision, ball M comes to rest and ball N moves to the right with speed v. Which ONE of the following statements about the collision of the balls is CORRECT?

A. Total momentum is conserved and the masses of the balls are unequal.

B. Total kinetic energy is conserved and the masses of the balls are unequal

C. Total momentum and total kinetic energy are conserved and the masses of the balls are equal.

D. Total momentum is conserved but total kinetic energy is not conserved and the masses of the balls are equal.

Question 4 of 7 2 Marks

A stationary passenger at a railway station listens to a train approaching at constant speed. Which ONE of the following is CORRECT for the sound of the approaching train heard by the stationary passenger?

A. Lower pitch, lower frequency

B. Higher pitch, lower frequency

C. Higher pitch, higher frequency

D. Lower pitch, higher frequency

Question 5 of 7 2 Marks

Particle P has charge Q and particle R has charge 2Q. They are separated by a small distance, r. Which ONE of the statements below about the electrostatic forces, FPR, which P exerts on R and FRP, which R exert on P, is CORRECT?

A. FPR = ½FRP

B. FPR = FRP

C. FPR = 2FRP

D. FPR = –FRP

Question 6 of 7 2 Marks

The direction of the induced current in the coil of a generator depends on the …

A. length of the coil.

B. speed of rotation of the coil.

C. direction of the magnetic field.

D. strength of the magnetic field.

Question 7 of 7 2 Marks

The work function of zinc is greater than that of magnesium. Which ONE of the following statements about the threshold frequencies of the metals is CORRECT?

A. The threshold frequency of zinc is greater than that of magnesium.

B. The threshold frequency of zinc is smaller than that of magnesium.

C. Both zinc and magnesium have the same threshold frequency.

D. The threshold frequencies of zinc and magnesium are independent of their work functions.

Q1 MCQ Drill: 2019 Physical Sciences P1 (2019 NSC May/June Mid-Year Examination)

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