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Light & telescopes quiz
Five questions on Light & telescopes. Answer all 5 to see your score. Questions are drawn from a bank of 15, so every attempt is different.
Question 1 of 5
The speed of light is about:
Question 2 of 5
Which has the shortest wavelength?
Question 3 of 5
Photon energy increases with:
Question 4 of 5
Visible light spans about:
Question 5 of 5
Sunlight takes about how long to reach Earth?