(a) Give two circumstances in which a concave mirror can form a magnified image of an object placed in front of it. Illustrate your answer by drawing labelled ray diagrams for both.
(b) Which one of these circumstances enables a concave mirror to be used as a shaving mirror?
Answers
Below are the two circumstances in which a concave mirror can form a magnified image of an object that is placed in front of it are:
Explanation:
(a) As shown in the figure below, when an object is placed between the focus of the concave mirror and the focus, the image formed is erect, virtual and magnified. From the image, you can see that the object AB is placed between the focus of a concave mirror and the pole. The image AB formed behind is erect, virtual and magnified.
2. As shown in the figure below, when an object is placed between the focus and the centre of curvature, the image formed is inverted, real and enlarged. In this image, the object AB is placed in between the focus and the centre of curvature. The image formed is inverted, real and enlarged.
(b) From the above explanations, it is proved that circumstance 1, where the object is placed between the focus and the pole of a concave mirror, can be used as a shaving mirror.
You can get all the answers of Chapter 4 in the link below:
https://brainly.in/question/14963178
Few questions related to this chapter:
Describe the New Cartesian Sign Convention used in optics. Draw a labelled .....
brainly.in/question/14916048
What is the nature of image formed by a concave mirror if the magnification.....
brainly.in/question/14916038
Explanation:
Mark as Brian list
