A shaving mirror is a concave mirror held close to the face, as the object in the figure is placed. What image does it give? A concave mirror faces left, with its pole P on a horizontal principal axis and its focus F and centre of curvature C marked in front of it. An upright object arrow stands between F and the mirror.

A shaving mirror is a concave mirror held close…

A shaving mirror is a concave mirror held close to the face, as the object in the figure is placed.

Question 25

EasyOriginal question

A shaving mirror is a concave mirror held close to the face, as the object in the figure is placed. What image does it give?

Virtual, erect and enlarged, behind the mirrorCorrect answerYour answerReal, inverted and enlarged, in front of the mirrorCorrect answerYour answerVirtual, erect and diminished, behind the mirrorCorrect answerYour answerReal, erect and the same size, at CCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

The object (the face) is between F and the pole P.
Then a concave mirror gives a virtual, erect, enlarged image behind the mirror, which is why shaving and make-up mirrors are concave.

Concept: Concave mirror with the object inside F
Typical timeTypical: 35 s
Your timeYours: —

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Ten questions from Everyday Physics, at your own pace.

Practise this chapter →

Ten questions from Everyday Physics, at your own pace.

A shaving mirror is a concave mirror held close to the face, as the object in the figure is placed.

Question 25

Explanation