Complete P7 Quiz

Complete P7 Quiz for the first 2 sections of P7 (Observations, Telescopes, Naked Eye Astronomy)

?
Concave mirrors can be used to focus what sort of light?
Parallel
1 of 19
Power of a lens = 1 over....
Focal Length
2 of 19
A converging lens forms a real image of what?
Distant sources of light
3 of 19
A simple telescope uses what type of lenses?
Converging
4 of 19
In a telescope the eyepeice is more powerful that the objective?
True
5 of 19
Magnifaction is equal to...
objective over eyepeice
6 of 19
A large telescope is used when collecting radation for what type of source?
Faint
7 of 19
The apperture of a telescope is.....
larger than the wave of radiation it detects
8 of 19
What factor effects where telescopes are situated?
Atmospheric conditions
9 of 19
What is the purpose of international collaboration?
shares costs and expertise
10 of 19
The movement of planets is expained by their orbit of what?
The Sun
11 of 19
A sidereal day is how minutes shorter than a solar day?
4
12 of 19
A solar day is how long?
24 hours
13 of 19
A parasec is a measure of what
Distance
14 of 19
Why are solar eclipses so rare?
The moon is tilted relative to the earth's orbit plane
15 of 19
What are Cehpeid variables?
Stars whose brightness varies often
16 of 19
The lumonosity of a star depends on its...
Temperature and Size
17 of 19
Speed of recession = Hubble constant x what?
Distance
18 of 19
Distant stars shift to what?
Red Shift
19 of 19

Other cards in this set

Card 2

Front

Power of a lens = 1 over....

Back

Focal Length

Card 3

Front

A converging lens forms a real image of what?

Back

Preview of the front of card 3

Card 4

Front

A simple telescope uses what type of lenses?

Back

Preview of the front of card 4

Card 5

Front

In a telescope the eyepeice is more powerful that the objective?

Back

Preview of the front of card 5
View more cards

Comments

Bruno Russell

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great quiz, very good for revision

Husna

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Thank You, you taught me how much i still need to revise

Grace Forrai

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Thanks a lot. Great quiz:)

FS

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Please could you explain how concave mirrors FOCUS parallel light? I thought concave mirrors diverged parallel rays?

Bruno Russell

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FS it is concave lenses that diverge paralleled light, when in comes to mirrors they reflect and converge.

Yasmin

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For question 4, converging OR convex lens would be correct as they both describe the same lens.

k

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