Diverging Lenses (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the shape of a diverging lens?
What is the shape of a diverging lens?
Thinner at centre, thicker at edges
What happens to parallel light rays passing through a diverging lens?
What happens to parallel light rays passing through a diverging lens?
They spread out (diverge)
Can images formed by diverging lenses be projected onto a screen?
Can images formed by diverging lenses be projected onto a screen?
No, they are always virtual images
What happens to a ray that strikes the optic centre of a diverging lens?
What happens to a ray that strikes the optic centre of a diverging lens?
It passes straight through without bending
Where does a ray parallel to the principal axis appear to come from after refraction?
Where does a ray parallel to the principal axis appear to come from after refraction?
Focal point on same side as object
Which best describes images formed by diverging lenses?
Which best describes images formed by diverging lenses?
Virtual, upright, and diminished
On which side of the lens does the image form with a diverging lens?
On which side of the lens does the image form with a diverging lens?
Same side as the object
What is the sign of the focal length for a diverging lens?
What is the sign of the focal length for a diverging lens?
Negative
What is the sign of image distance for a virtual image?
What is the sign of image distance for a virtual image?
Negative
An object is 40 cm from a diverging lens ( cm). What is ?
An object is 40 cm from a diverging lens ( cm). What is ?
cm
What is a key difference between converging and diverging lenses?
What is a key difference between converging and diverging lenses?
Converging can form real & virtual images
What is a common use of diverging lenses?
What is a common use of diverging lenses?
Correcting short-sightedness (myopia)