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Instructions for the Physics Examination

  • Examination administered by the Caribbean Examinations Council.
  • Test Code: 01238010.
  • Examination Date: June 3, 2010.
  • Exam Duration: 75 minutes.
  • Number of Questions: 60 items.

General Instructions for Candidates

  • Sign the test booklet.
  • Read the instructions carefully before starting.
  • Use an answer sheet in addition to the test booklet.
  • Each question has four options labeled (A), (B), (C), and (D). Choose the best option.
  • Shade the letter corresponding to your answer on the answer sheet.
  • Erase completely before changing an answer.
  • Report timing and progress accurately.
  • Use non-programmable calculators if needed.

Sample Question Format

  • Example: "The SI unit of length is the: (A) second (B) metre (C) newton (D) kilogram." (Correct answer is (B) metre.)

Section Details

Test Questions and Answers

  1. Which of the following groups of quantities contains one that is NOT an SI base quantity?

    • (A) Mass, length, time
    • (B) Current, temperature, length
    • (C) Volume, temperature, time
    • (D) Time, mass, temperature
      Correct Answer: (C) Volume, temperature, time - Volume is a derived quantity.

  2. Express $3.1415926$ to two significant figures

    • (A) 3.1
    • (B) 3.14
    • (C) 3.2
    • (D) 31
      Correct Answer: (B) 3.14.

  3. The symbol for the unit of the moment of a force is:

    • (A) N
    • (B) Nm
    • (C) kg m\text{superscript{-2}}
    • (D) kg m
      Correct Answer: (B) Nm.

  4. The unit of electrical resistance is expressed as:

    • (A) 1 V.A\textsuperscript{-1}
    • (B) 1 \Omega = 1 V.I\textsuperscript{-1}
    • (C) 1 A.V\textsuperscript{-1}
    • (D) 1 W.A\textsuperscript{-1}
      Correct Answer: (A) 1 V.A\textsuperscript{-1}.

  5. The time period of a simple pendulum oscillating with small amplitude depends on:

    • (A) mass of the pendulum bob
    • (B) amplitude of the oscillation
    • (C) length of the pendulum
    • (D) the force with which it's set into motion
      Correct Answer: (C) length of the pendulum.

  6. Three immiscible liquids P, Q, and R have different densities. Q is denser than P but less dense than R. Which of the following diagrams shows how the liquids settle in the measuring cylinder?

    • Multiple-choice answers of liquid positions.
      Correct Answer: (diagram option showing Q in the middle, P below, and R atop)

  7. A loaded copper wire put around a block of ice gradually cuts through the ice. This is due to:
    Correct Explanation: Thermal conduction from the wire into the ice, causing heat transfer and melting.