Uses of Lenses (Leaving Cert Physics): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which part of the eye converts light into electrical signals?
Which part of the eye converts light into electrical signals?
Retina
What can a person with short-sightedness (myopia) see clearly?
What can a person with short-sightedness (myopia) see clearly?
Nearby objects only
What type of lens corrects short-sightedness?
What type of lens corrects short-sightedness?
Diverging lens
What appears blurred for a person with long-sightedness (hyperopia)?
What appears blurred for a person with long-sightedness (hyperopia)?
Nearby objects
What type of lens is used in reading glasses for long-sightedness?
What type of lens is used in reading glasses for long-sightedness?
Converging lens
What type of lens does a camera use to focus light?
What type of lens does a camera use to focus light?
Converging lens
What type of image does a camera lens create on the sensor?
What type of image does a camera lens create on the sensor?
Real and inverted
How many lenses does a compound microscope use?
How many lenses does a compound microscope use?
Two converging lenses
What does the objective lens of a compound microscope create?
What does the objective lens of a compound microscope create?
A magnified, inverted real image
Why is a large objective lens crucial in an astronomical telescope?
Why is a large objective lens crucial in an astronomical telescope?
It collects more light