Measurements and Uncertainties for the new syllabus have been moved to the Tools section of the course. According to the Guide, these “skills in the study of physics can be assessed through internal and external assessment.”
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Even though it is unlikely that you will get multiple choice questions on the topics you find here, you are expected to be familiar with the material in this section and might find these exam-style questions and related video explanations helpful in your learning process.
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Therefore, we decided to include the same explanation for our Question Difficulty Levels and Questionbank Tips as you find in other Questionbank sections.
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We hope you find these helpful :)
Question difficulty level:
Basic
Moderate
Challenging
Difficult
Black Hole
Basic
Moderate
Challenging
Difficult
Black Hole
A bit more about difficulty levels (click)
Basic: Simple, usually one-step or definition-style questions to help you revise the basics.
Moderate: At the level of easier IB exam questions. Slightly more challenging than one-plane problems.
Challenging: Typical, medium-level exam-style questions to help you solidify your knowledge.
Difficult: This is how more challenging IB exam questions look like. If you can solve these with ease, you are in a good shape :)
Black Hole: Extra challenge for those with lightspeed thinking! Very few questions on your exam will be this difficult.
Tips on how to get the most out of the Questionbank
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On the questions, in addition to the correct answer (A, B, C or D), you will find:
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• A detailed, step-by-step Video Solution to help you fully understand the concepts used when solving the question.
• A lightning-quick Done Under 90 seconds explanation with shortcuts, tips and tricks to help you save time on Paper 1 multiple choice questions.
• Purple text at the end of all videos to help you remember general concepts (Video Solutions) or to give you exam-taking tips to boost your grade (Done Under 90).
• The thumbnail of each video is set as the worked solution of the question to help you revise these solutions at a glance, without having to play each video individually.
Question 1
Which of the following are two vector quantities?
Speed, Mass
Speed, Force
Velocity, Mass
Force, Velocity
Answer
D.
Video Solution
Done Under 90
Question 2
Which of the following answer options has two vector and two scalar quantities?
The vectors below represent the displacement of two cars.
What is the direction of S_{A}-S_{B}?
Answer
B.
Video Solution
Done Under 90
Question 4
A particle is moving upwards in a straight line at constant speed. Which diagram represents the forces acting on this particle?
Answer
D.
Video Solution
Done Under 90
Question 5
Which of the following is a vector quantity?
Electric current
Distance
Pressure
Electric field strength
Answer
D.
Video Solution
Done Under 90
Question 6
A person swims across a river that is flowing east. In what direction does the person have to swim so that she only moves towards the south from her starting point?
Answer
A.
Video Solution
Done Under 90
Question 7
Which of the following answer options includes three scalar quantities?
Mass, speed, weight, magnetic field strength
Acceleration, time, temperature, velocity
Electric current, electric field strength, displacement, charge
Gravitational potential energy, amplitude, momentum, power
Answer
D.
Video Solution
Done Under 90
Question 8
A block of mass m is sliding down a frictionless slope. The angle that the slope makes with the horizontal is \beta.
The normal reaction force that acts on the block is R. What is the resultant force on the block?
mgsin\beta
mgcos\beta
Rsin\beta
Rcos\beta
Answer
A.
Video Solution
Done Under 90
Question 9
A biker travels at a constant speed of 8 m s^{-1} west during a minute and then at a constant speed of 6 m s^{-1} south during a minute. What is the average speed of the biker during these two minutes?
5 m s^{-1}
7 m s^{-1}
10 m s^{-1}
14 m s^{-1}
Answer
B.
Video Solution
Done Under 90
Question 10
Two forces, X and Y, are represented by the following vectors:
Which vector represents Y – X?
Answer
A.
Video Solution
Done Under 90
Question 11
Two perpendicular forces of magnitudes 9 N and 12 N act on an object. The magnitude of the resultant force on the object is:
3 N
11 N
15 N
21 N
Answer
C.
Video Solution
Done Under 90
Question 12
A force of 10 N can be resolved along directions AB and AC, where AB and AC are perpendicular to each other.
The component of the force in the AC direction is 6 N. What is the magnitude of the component along the AB direction?
2 N
4 N
6 N
8 N
Answer
D.
Video Solution
Done Under 90
Question 13
Three forces with magnitudes A, B, and C lie in the same plane and act on an object. The object is in equilibrium.
Which of the following equations is correct?
A = B + C
Asin\alpha = B
Csin\alpha = A - Bcos\alpha
Acos\alpha = C
Answer
C.
Video Solution
Done Under 90
Question 14
A stone is thrown with initial velocity v at an angle \theta to the horizontal. The magnitude of the vertical component of the stone’s velocity is 10 m s^{-1}.
What is the value of \theta?
sin^{-1}\left ( \frac{10}{v} \right )
sin^{-1}\left ( \frac{v}{10} \right )
cos^{-1}\left ( \frac{10}{v} \right )
cos^{-1}\left ( \frac{v}{10} \right )
Answer
A.
Video Solution
Done Under 90
Question 15
Three forces, \overrightarrow{A}, \overrightarrow{B} and \overrightarrow{C}, act on object X as shown on the diagram. Object X moves at constant velocity.
Consider the following three equations:
I. \overrightarrow{A} + \overrightarrow{B} = - \overrightarrow{C}
