Advertisements
Advertisements
Question
A shopkeeper wanted to fix a mirror that will give a maximum view of his shop. What type of mirror should he use? Give reason.
Solution
He should use a convex mirror as it can form images of objects spread over a large area.
APPEARS IN
RELATED QUESTIONS
Define the following term in the context of spherical mirrors:- Principal focus
We can obtain a real, enlarged and inverted image by a concave mirror.
Define Radius of curvature of the spherical mirror
A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
(i) Copy the figure below and draw rays to show how an image is formed by the lens.
Figure
(ii) Calculate the distance of the image from the lens by using the lens formula.
What is a mirror formula?
Assertion: Incident ray is directed towards the centre of curvature of spherical mirror. After reflection it retraces its path.
Reason: Angle of incidence (i) = Angle of reflection (r) = 0°
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
Visit a nearby hospital. You can also visit the clinic of an ENT specialist, or a dentist. Request the doctor to show you the mirrors used for examining ear, nose, throat and teeth. Can you recognise the kind of mirror used in these instruments?