IGCSE Physics Exam Quiz! Trivia

Reviewed by Matt Balanda

Matt Balanda, BS (Aerospace Engineering) |

Science Teacher

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Matt Balanda, a Calvary Chapel Christian School leader with a Bachelor's in Aerospace Engineering and Mathematics, transitioned from Aerospace Engineering to Education with a Master's from California Baptist University. As the High School Vice-Principal and Physics teacher, he nurtures students' love of learning and faith, creating an enriching and transformational educational experience.

, BS (Aerospace Engineering)

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Questions: 10 | Attempts: 8,535 | Updated: Oct 21, 2024

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The International General Certificate of Secondary Education(IGCSE) is an examination developed by the University of Cambridge International Examinations. This quiz has been designed for students to test their knowledge about the basic concepts of Physics. Read the questions carefully and answer. So, let's try out the quiz. All the best!

Questions and Answers

1.

The half-life of a Radioactive substance is 5 hours. A sample is tested and found to contain O.48g of the substance. How much of the substance was present in the sample 20 hours before the sample was tested?
- A.
  
  0.03
- B.
  
  7.68
- C.
  
  0.12
- D.
  
  1.92
- E.
  
  3.76
Correct Answer
B. 7.68
2.

A large electric motor is used to lift a container off a ship. Which of the following values is enough to allow the power of the motor to be calculated?
- A.
  
  The mass of the container and the distance moved
- B.
  
  The force used and the distance moved
- C.
  
  The work done and the time taken
Correct Answer
C. The work done and the time taken

Explanation
The power of the motor can be calculated using the formula: Power = Work Done / Time Taken. Therefore, knowing the work done and the time taken is enough to calculate the power of the motor.

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6
1
3.

The reluctance of an object to change its state of rest or motion is termed as?
- A.
  
  Mass
- B.
  
  Time
- C.
  
  Weight
- D.
  
  Inertia
Correct Answer
D. Inertia

Explanation
Inertia refers to the reluctance of an object to change its state of rest or motion. It is a property of matter that causes objects to resist any change in their velocity. The greater the mass of an object, the greater its inertia, meaning it will require more force to accelerate or decelerate. Inertia is a fundamental concept in physics and is closely related to Newton's first law of motion, which states that an object at rest will stay at rest, and an object in motion will stay in motion, unless acted upon by an external force.

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6
0
4.

In physics, the pressure is defined as the _____ over a given area.
- A.
  
  Work
- B.
  
  Velocity
- C.
  
  Force
- D.
  
  Mass
- E.
  
  Energy
Correct Answer
C. Force

Explanation
Pressure is defined as the force exerted over a given area. When a force is applied to an object, it creates pressure by distributing the force over the surface area. The greater the force applied or the smaller the area, the higher the pressure. Therefore, force is the correct answer as it directly relates to the definition of pressure in physics.

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4
0
5.

What is the standard unit of measure for pressure?
- A.
  
  Joule
- B.
  
  Newton
- C.
  
  Watt
- D.
  
  Ampere
- E.
  
  Pascal
Correct Answer
E. Pascal

Explanation
The standard unit of measure for pressure is the Pascal. The Pascal is defined as one Newton per square meter, representing the amount of force exerted on a surface area. This unit is widely used in scientific and engineering fields to quantify pressure, such as in fluid dynamics, weather forecasting, and mechanical engineering.

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16
1
6.

Will air pressure be higher on top of a mountain or on the beach?
- A.
  
  Beach
- B.
  
  Mountain
- C.
  
  It's always the same
- D.
  
  None
Correct Answer
A. Beach

Explanation
Air pressure will be higher on the beach compared to the top of a mountain. This is because air pressure decreases with increasing altitude. As we go higher in the atmosphere, there is less air above us, resulting in lower air pressure. On the beach, we are closer to sea level, where there is more air above us, leading to higher air pressure.

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8
0
7.

A 40 N block exerts 20 Pa of pressure on a table. What is the area of the block that is touching the table?
- A.
  
  0.5 meters squared
- B.
  
  1 meters squared
- C.
  
  2 meters squared
- D.
  
  4 meters squared
Correct Answer
C. 2 meters squared

Explanation
The pressure exerted by an object is calculated by dividing the force exerted by the area over which it is applied. In this case, the block exerts a force of 40 N and the pressure is 20 Pa. To find the area, we can rearrange the formula to area = force/pressure. Plugging in the values, we get area = 40 N / 20 Pa = 2 meters squared. Therefore, the area of the block that is touching the table is 2 meters squared.

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8
0
8.

What type of tool is used to measure air pressure?
- A.
  
  Pascalometer
- B.
  
  Atmospherometer
- C.
  
  Aerometer
- D.
  
  Anemometer
- E.
  
  Barometer
Correct Answer
E. Barometer

Explanation
A barometer is a scientific instrument used to measure air pressure. There are two main types: mercury barometers and aneroid barometers. Air pressure is an important factor in weather forecasting, as changes in pressure can indicate approaching weather systems.

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6
0
9.

Which of the following is not a unit of measure for pressure?
- A.
  
  PSI
- B.
  
  Bar
- C.
  
  Atmosphere
- D.
  
  Joule
Correct Answer
D. Joule

Explanation
Joule is not a unit of measure for pressure because it is a unit of energy or work. Pressure is defined as force per unit area, and is typically measured in units such as PSI (pounds per square inch), bar, or atmosphere. Joule, on the other hand, is a unit used to measure energy or work done. Therefore, it is not a suitable unit for measuring pressure.

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5
0
10.

Does water pressure increase or decrease the deeper you are?
- A.
  
  Increase
- B.
  
  Decrease
- C.
  
  Stays the same
- D.
  
  None
Correct Answer
A. Increase

Explanation
As you go deeper into the water, the weight of the water above you increases, resulting in an increase in water pressure. This is because the force exerted by the water molecules above you becomes greater. Therefore, the correct answer is "Increase."

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7
0

Matt Balanda |BS (Aerospace Engineering) |

Science Teacher

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Current Version
Oct 21, 2024

Quiz Edited by
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Expert Reviewed by
Matt Balanda
Apr 06, 2008

Quiz Created by
Kuldeep

IGCSE Physics Exam Quiz! Trivia

The half-life of a Radioactive substance is 5 hours. A sample is tested and found to contain O.48g of the substance. How much of the substance was present in the sample 20 hours before the sample was tested?

A large electric motor is used to lift a container off a ship. Which of the following values is enough to allow the power of the motor to be calculated?

The reluctance of an object to change its state of rest or motion is termed as?

In physics, the pressure is defined as the _____ over a given area.

What is the standard unit of measure for pressure?

Will air pressure be higher on top of a mountain or on the beach?

A 40 N block exerts 20 Pa of pressure on a table. What is the area of the block that is touching the table?

What type of tool is used to measure air pressure?

Which of the following is not a unit of measure for pressure?

Does water pressure increase or decrease the deeper you are?