A student uses a convex lens as a magnifying glass, holding it as shown relative to the object. What kind of image does she see? A convex lens stands on a horizontal principal axis, with F₁ and 2F₁ marked on the left of the lens and F₂ and 2F₂ on the right. An upright object arrow stands between F₁ and the lens.

A student uses a convex lens as a magnifying…

A student uses a convex lens as a magnifying glass, holding it as shown relative to the object.

Question 29

MediumOriginal question

A student uses a convex lens as a magnifying glass, holding it as shown relative to the object. What kind of image does she see?

Real, inverted and magnifiedCorrect answerYour answerVirtual, inverted and diminishedCorrect answerYour answerVirtual, erect and magnifiedCorrect answerYour answerReal, erect and the same sizeCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

The object is between the lens and F₁, closer than the focal length.
Here the refracted rays spread out; traced back, they meet on the object's side, giving a virtual, erect, magnified image.

Concept: Convex lens as a magnifying glass
Typical timeTypical: 60 s
Your timeYours: —

The rule this testsLight

Practise this chapter →

Ten questions from Everyday Physics, at your own pace.

Practise this chapter →

Ten questions from Everyday Physics, at your own pace.

A student uses a convex lens as a magnifying glass, holding it as shown relative to the object.

Question 29

Explanation