Early telescopes (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Who was the first known astronomer to use a telescope to study the night sky?
Who was the first known astronomer to use a telescope to study the night sky?
Galileo
Which celestial objects did Galileo observe with his telescope?
Which celestial objects did Galileo observe with his telescope?
Moons of Jupiter & rings of Saturn
What type of telescope did Galileo construct?
What type of telescope did Galileo construct?
Refracting telescope
What lens combination did Galileo use in his telescope?
What lens combination did Galileo use in his telescope?
Convex primary & concave eyepiece
What magnification did Galileo's best telescope achieve?
What magnification did Galileo's best telescope achieve?
Approximately
What does a concave (diverging) lens do to a beam of light?
What does a concave (diverging) lens do to a beam of light?
Spreads it into a diverging beam
What does a shorter focal length indicate about a converging lens?
What does a shorter focal length indicate about a converging lens?
Stronger convergence of light rays
What happens to light rays passing through the centre of a lens in ray diagrams?
What happens to light rays passing through the centre of a lens in ray diagrams?
They are undeviated
When does a converging lens produce a real image?
When does a converging lens produce a real image?
Object beyond focal length
What are the characteristics of a virtual image formed by a converging lens?
What are the characteristics of a virtual image formed by a converging lens?
Magnified & right way up