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QUESTION 1: MULTIPLE-CHOICE QUESTIONS
Four possible options are provided as answers to the following questions. Each
question has only ONE correct answer. Choose the best answer and only write down
(A–D) next to the question numbers (1.1–1.10) in the ANSWER BOOK, for example
1.11 D.
1.1 Which ONE of the following forces CANNOT be equal to zero?
A Normal force
B Frictional force
C Gravitational force
D Applied force (2)
1.2 The diagram below represents four vectors Q, R, S and T.
Which ONE of the vectors is the resultant of the other three vectors?
A Q
B R
C S
D T (2)
1.3 A girl of weight 600 N is standing on a bathroom scale in a lift that is moving and she noticed that the scale reads 560 N. Which ONE of the following is the CORRECT conclusion about the motion of the lift? The lift is …
A accelerating upwards.
B accelerating downwards.
C moving upwards at constant velocity.
D moving downwards at constant velocity. (2)
1.4 Passengers in a moving car are advised to wear safety belts. This will reduce their chances of getting injured in the event of an accident. This precaution is an application of which ONE of the following Physics laws?
A Newton’s first law
B Newton’s second law
C Newton’s third law
D Newton’s law of universal gravitation (2)
1.5 Which ONE of the graphs below represents the relationship between the gravitational force F between two objects and the distance r between the objects?
1.6 A light ray passes from air into a glass prism. The ray is refracted through the prism and emerges out of the prism as shown in the diagram below.
Which ONE of the following statements is TRUE regarding the diagram above?
1.7 Every point of a wave front serves as a point source of spherical, secondary waves that move forward with the same speed as the wave. This definition represents …
A refraction.
B diffraction
C wave front.
D Huygens’ principle. (2)
1.8 Two identical neutral spheres P and Q are placed on insulating stands. They are brought into contact with each other and a charged rod is brought near sphere P as shown on the diagram below.
After the spheres made contact, they were separated and it was found that electrons were transferred from sphere P to sphere Q. Which ONE of the following concerning the charges on the two spheres is TRUE?
1.9 The magnitude of the induced emf across the ends of a loop is equal to the …
A radius of the loop.
B thickness of the wire.
C temperature of the wire.
D rate of change the magnetic flux linkage with the wire. (2)
1.10 In the circuit diagrams below the SAME battery and SAME IDENTICAL resistors are used. The internal resistance of the battery is ignored.
In which ONE of the following circuits will the resistors have the highest potential difference?
