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IB Physics Past Paper Multiple-choice Quiz
This is a multiple-choice physics quiz to help in preparation for the November 2020 examination period.
Mixed Higher level and Standard level*
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Last updated: August 12, 2020
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| First submitted | August 12, 2020 |
| Times taken | 57 |
| Average score | 26.7% | Report this quiz | Report |
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1.
A particle P executes simple harmonic motion (SHM) about its equilibrium position Y.
X-------------.P------------Y---------------------------
The amplitude of the motion is XY.
At which of the positions shown on the diagram is the acceleration of P equal to zero and the kinetic energy of P equal to zero?
Acceleration (X) Kinetic Energy (X)
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Acceleration (X) Kinetic Energy (Y)
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Acceleration (Y) Kinetic Energy (Y)
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Acceleration (Y) Kinetic Energy (X)
✓
2.
Which of the following contains one fundamental and one derived unit?
Joule, Newton
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Joule, Coulomb
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Ampere, Coulomb
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Ampere, Kilogram
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3.
Which of the following will reduce random errors in an experiment?
Checking for zero error on the instrument used
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Using an instrument having a greater precision?
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Repeating readings
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Checking the calibration of the instrument used
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4.
A body accelerates from rest with a uniform acceleration a for a time t. The uncertainty in a is 8% and the uncertainty in t is 4%. The uncertainty in the speed is?
8%
✓
2%
✓
32%
✓
12%
✓
5.
The length of each side of the sugar cube is measured as 10mm with an uncertainty of ±2 mm. Which of the following is the abslute uncertainty in the volume of the sugar cube?
±400 mm³
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±8 mm³
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±6 mm³
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±600 mm³
✓
6.
The time taken for a stone dropped from rest to fall vertically thrugh 16 meters is 2.0 seconds. Based on these measurements, what is the best estimate for the acceleration of free fall?
4.0 m s⁻²
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10 m s⁻²
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8.0 m s⁻²
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9.8 m s⁻²
✓
7.
Which of the following quantities can be determined from a speed-time graph of a particle travelling in a straight line?
Only the magnitude of the acceleration at a given instant
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Only the distance travelled in a given time
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Both the velocity and the acceleration at a given instant
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Both the distance travelled in a given time and the magnitude of the acceleration at a given instant
✓
8.
Two balls of different mass are dropped from the top of a tall building one after the other. The distance between the balls
increase with time.
✓
depends on the the initial velocity only.
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depends on the mass of the balls.
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remains constant.
✓
9.
The natural frequency of vibration of a system
is the frequency at which it oscillates when it is driven by another system.
✓
depends on the amplitude of the oscillation of the system.
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Depends on the damping in the system.
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is the frequency at which it oscillates when it is not driven by another system.
✓
10.
A pendulum oscillating near the sufrace of the earth swings with a time period of T. What is the time period of the same pendulum near the surface of the planet Mercury where the gravitational field strength is 0.4g?
2.5T
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0.4T
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1.6T
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0.6T
✓
11.
For fringes to be observed in a double-slit experiment, the slits must emit waves that are coherent.
What conditions are required for the frequency of the waves and the for the phase difference between the waves so that the waves are coherent.
Frequency of Waves (Same), Phase difference between waves (Variable)
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Frequency of Waves (Same), Phase difference between waves (Constant)
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Frequency of Waves (Constant difference), Phase difference between waves (Variable)
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Frequency of Waves (Constant difference), Phase difference between waves (Constant)
✓
12.
A train travelling in a straight line emits a sound of constant frequency f. An observer at rest very close to the past of the train detects a sound of continuously decreasing frequency. The train is
moving away from the observer at constant speed.
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moving away from the observer at increasing speed.
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approaching the observer at constant speed.
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approaching the observer at increasing speed.
✓
13.
A diffraction grating is used to observe light of wavelength 400nm. The light illuminates 100 slits of the grating. What is the minimum wavelength difference that can be resolved when the second order of diffraction is viewed?
1 nm
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8 nm
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2 nm
✓
4 nm
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14.
A particle is oscillating with simple harmonic motion (SHM) of amplitude x₀ and maximum kinetic energy Ek. What is the potential energy of the system when the particle is a distance 0.20 x₀ from its maximum displacement?
0.80 Ek
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0.64 Ek
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0.36 Ek
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0.20 Ek
✓
15.
With reference to internal energy conversion and ability to be recharged, what are the charactersistics of a primary cell?
Internal energy conversion (Electrical to Chemical), Ability to be recharged (Not Rechargeable)
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Internal energy conversion (Chemical to Electrical), Ability to be recharged (Not Rechargeable)
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Internal energy conversion (Chemical to Electrical), Ability to be recharged (Rechargeable)
✓
Internal energy conversion (Electrical to Chemical), Ability to be recharged (Rechargeable)
✓
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