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Statistics for IB Physics Past Paper Multiple-choice Quiz

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General Stats

This quiz has been taken 58 times
The average score is 4 of 15

Answer Stats

Question	Answer	% Correct
Which of the following will reduce random errors in an experiment?	Repeating readings	50%
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?	12%	46%
Which of the following quantities can be determined from a speed-time graph of a particle travelling in a straight line?	Both the distance travelled in a given time and the magnitude of the acceleration at a given instant	35%
Which of the following contains one fundamental and one derived unit?	Ampere, Coulomb	33%
The natural frequency of vibration of a system	is the frequency at which it oscillates when it is not driven by another system.	33%
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 (Y) Kinetic Energy (X)	31%
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 (Constant)	29%
With reference to internal energy conversion and ability to be recharged, what are the charactersistics of a primary cell?	Internal energy conversion (Chemical to Electrical), Ability to be recharged (Not Rechargeable)	27%
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?	±6 mm³	25%
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?	8.0 m s⁻²	25%
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	21%
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?	2 nm	19%
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.	19%
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?	0.20 Ek	10%
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	approaching the observer at increasing speed.	4%

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