IB DP PHYSICS SL Prediction Paper 1A and 1B for 2025 Exams
IB DP PHYSICS SL Prediction Paper 1A & 1B- April/May 2025 Exam
IB DP PHYSICS SL Prediction Paper 1A & 1B: Prepare for the IB exams with subject-specific Prediction questions, model answers. All topics covered.
Prepared by IB teachers: Access our IB DP PHYSICS SL Prediction Paper 1 with model answer. Students: Practice with exam-style papers for IB DP PHYSICS SL Exam
Question 1
The diagram shows the speed-time graph of an object.
In which section does the object have the largest acceleration?
▶️ Answer/Explanation
Answer: B
Question 2
A layer of mercury traps a volume of gas in a tube. The tube is placed in a water bath and slowly heated. When the temperature of the water is 300 K the height of gas h in the tube is 150 mm.
▶️ Answer/Explanation
Answer: B
Question 3
A moving object is brought to rest by a frictional force of 30 N over a distance of 5.0 m. The diagram shows the energy transferred between stores. 
How much energy is transferred by this force and how is the energy transferred?
▶️ Answer/Explanation
Answer: D
Question 4
The diagram represents gas particles moving around in a sealed container. The gas particles collide with the walls of the container. The temperature of the gas is increased. 
What happens to the average speed of the gas particles and what happens to the number of collisions by the gas particles with the walls of the container?
▶️ Answer/Explanation
Answer: B
Question 5
The ray diagram shows the formation of an image when light is reflected by a plane mirror. 
Which lines represent light rays?
▶️ Answer/Explanation
Answer: D