AQA Physics Unit 3

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  • Created by: Emogotchi
  • Created on: 29-04-13 20:31
What is a 'Center of mass'?
Where all the mass of an object appears to be concentrated.
1 of 6
What is the range of frequencies that the human ear can detect?
20Hz to 20000Hz
2 of 6
Why is the core of a transformer made of iron?
Iron is magnetically soft
3 of 6
If there are more primary coils than secondary coils on a transformer what kind of transformer is it?
A step up transformer
4 of 6
Is the image formed on the cornea of the eye real or virtual?
Real
5 of 6
What is the name of sound waves that can't be detected by human hearing?
Ultrasound
6 of 6

Other cards in this set

Card 2

Front

What is the range of frequencies that the human ear can detect?

Back

20Hz to 20000Hz

Card 3

Front

Why is the core of a transformer made of iron?

Back

Preview of the front of card 3

Card 4

Front

If there are more primary coils than secondary coils on a transformer what kind of transformer is it?

Back

Preview of the front of card 4

Card 5

Front

Is the image formed on the cornea of the eye real or virtual?

Back

Preview of the front of card 5
View more cards

Comments

Joseph Williams

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Good flashcards, 4 is wrong though

lauren

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i thought that, if there is more primary coils than the second coil then it's a step down transformer, is it not?

Dom Townrow

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4 is a step down transformer, but good otherwise

Sabina

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The image is formed on the retina not the cornea...

But good flash cards. Thanks

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