Common Entrance Physics – 30 Multiple choice questions

1. Which of these substances aree electrical insulators?
 
 
 
 

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

3. The statements below describe some properties of light and sound.

Tick those that are correct.
 
 
 
 

4. Which of these materials is attracted to a magnet?
 
 
 
 

5. How many cubic centimetres in a cubic metre?
 
 
 
 

6. Which of the energy changes below represents that which takes place in an electric motor?
 
 
 
 

7. circuit1 

Which of the lamps in the diagram will be on?
 
 
 
 

8. If a violin string is going to make a sound it
 
 
 
 

9. a = 5cm    b=3cm   c=3cm

The mass of the block = 90g

blockWhat is the density of the block?
 
 
 
 

10. Pick the correct sentence from those given to best  describe the term below:

Frequency
 
 
 
 

11. What is the unit of area?
 
 
 
 

12. At which of the times below will your shadow be the shortest?
 
 
 
 

13. A ball is held in place at the top of a slope at position X
When the ball is released it rolls down the slope, eventually coming to rest at position Z

slopeAt what position does the ball have the most kinetic energy? 

 
 
 
 

14. What sort of surface should something have to prevent slipping?
 
 
 
 

15. What type of object is the Earth?
 
 
 
 

16. 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?
 
 
 
 

17. circuit2Which of the circuit diagrams shows two bulbs joined in parallel?
 
 
 
 

18. The diagram shows a roller coaster car moving downwards quite fast.
The arrows represent two forces which act on the roller coaster.

What does X represent?
 
 
 
 

19. Which of the following is not a force
 
 
 
 

20. What do we call something that does not allow light to pass through it?
 
 
 
 

21. A ruler is balanced at its centre and 5N weights are added as shown below.

momentsIf the ruler still balances then what would be the distance X? 
 
 
 
 

22. What type of object is the Sun
 
 
 
 

23. Something has gravitational potential energy when….
 
 
 
 

24. In order to make a guitar string vibrate quicker what needs to be done to it?
 
 
 
 

25. Weather is colder in winter in England compared to the summer because….
 
 
 
 

26. What instrument would you use to measure a force?
 
 
 
 

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

springs1springs-parallelTwo springs are now joined in parallel (side by side) and 1 N added as a load.

How long would the springs be now (length X)
 
 
 
 

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

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

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

If the chair had thinner legs (the area of each leg was less) what effects would this have?
 
 
 
 

30. parachuteThe diagram shows a parachute falling.

What is the name of the force labelled X?