Common Entrance Physics – 30 Multiple choice questions

1. circuit2In which of the circuits shown will the bulb (or bulbs) be the brightest?
 
 
 
 

2. The diagram shows a distance time graph for a model car.
During which section of the journey was the car travelling the fastest?
 
 
 
 

3. The picture shows a submarine.
There are two forces acting on the submarine
represented by red arrows.

What is the name of the force labelled X?
 
 
 
 

4. How many ‘equinoxes’ are there in a year?
 
 
 
 

5. a = 5cm    b=3cm   c=3cm

The mass of the block = 90g

blockWhat is the density of the block?
 
 
 
 

6. When a guitar makes a higher note what happens to the vibrating string?
 
 
 
 

7. circuit4The circuit shows two bulbs and a switch.
Both bulbs are on.

Is the switch OPEN or CLOSED?
 
 

8. A block measures 10cm x 8cm x 5cm
It has a mass of 2kg

What is the density of the block in g/cm³?

 
 
 
 
 

9. astro1image2What event does this diagram represent?
 
 
 
 

10. The legs of a chair each have an area of 20cm2 .

The chair has  4 legs and a mass of 4kg.

What is the pressure of each leg on the ground?
 
 
 
 

11. What sort of energy is produced by an electric motor?
 
 
 
 

12. What is the unit of pressure?
 
 
 
 

13. If a guitar string is plucked harder what will happen?
 
 
 
 

14. How many planets are in the Solar System?
 
 
 
 

15. Which of the energy changes below represents that which takes place when a stone is dropped
 
 
 
 

16. A block of plastic has a volume of 6cm3 and a mass of 12g.
What is the DENSITY of the plastic?
 
 
 
 

17. The diagram shows a distance time graph for a model car.
How fast was the car travelling during section A of the journey?
 
 
 
 

18. We can often see the Moon at night.
Which of the following is true?
 
 

19. What does N stand for on a magnet?
 
 
 
 

20. How far does sound travel in 1 second
 
 
 
 

21. A block measures 10cm x 8cm x 5cm
It has a mass of 2kg

What is the volume of the block (in cm³)?

 
 
 
 
 

22. What force holds a planet in orbit around the sun?
 
 
 
 

23. The diagram shows how an electromagnet can be made by passing an electric current through a coil of wire wrapped around a soft iron bar (an iron nail will do)

coilWhich of the options below will increase the strengthg of the magnet?(tick all that apply)

 
 
 
 
 

24. A spring is 10cm long.
When 3 newtons are hung from it the sprng becomes 16cm.

springs1The 3 N load is now replaced by a load of 1 newton

What would be the new length of the spring?
 
 
 
 

25. Which of the following metals are magnetic
 
 
 
 

26. Fran pulled a box containing some weights across the carpet. She used a force meter to measure the force needed to pull the box.
What force was making the box difficult to move?
 
 
 

27. Which of the energy changes below represents that which takes place when an arrow is fired from a bow?
 
 
 
 

28. A change of electrical energy into kinetic (speed) energy could be produced by
 
 
 
 

29. balanceThe diagram shows a log supported at its centre.
Peter is 1.5m from the centre and John is 2.5m from the centre.
How far will John have to move to make the log balance and in which direction?
 
 
 
 

30. Camels have wide feet.
How does this help them walk on sand?