OCR Physics P7

Physics

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  • Created by: Edward
  • Created on: 29-05-12 13:46
What unit is nearest to a light year?
Parsec
1 of 4
One of the telescopes moved from London to Herstmonceux was the 26-inch Thompson telescope. The 26-inch diameter lens has a focal length of 6.2 m. Calculate the power of the lens.
0.16
2 of 4
How would the power of the eyepiece lens compare with the power of the 26-inch objective lens?
Less Powerful
3 of 4
Who decided to measure a Cepheid variable?
Hubble
4 of 4

Other cards in this set

Card 2

Front

One of the telescopes moved from London to Herstmonceux was the 26-inch Thompson telescope. The 26-inch diameter lens has a focal length of 6.2 m. Calculate the power of the lens.

Back

0.16

Card 3

Front

How would the power of the eyepiece lens compare with the power of the 26-inch objective lens?

Back

Preview of the front of card 3

Card 4

Front

Who decided to measure a Cepheid variable?

Back

Preview of the front of card 4

Comments

Ed

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Question Four: The answer is more powerful because the eyepiece lens will always have a shorter focal length

davina

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question 4 is wrong. the eyepiece will be more powerful

tyler

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dude you are wrong the eyepeice is more poweful beacuse it has to create the visual image compared to the real image. also it has to magnafy the real image so people get  abetter view of wht your looking at through the telescope

Will

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question 3 is just really badly worded, it means that both answers are right (and wrong)

Edward

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sorry about question 3, it s bad, just ignore it

Adam

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- Question 2 is missing units { 0.16 Dioptres } 

- Question 3 Eyepiece is more powerful

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