Advertisements
Advertisements
Question
A student obtained a sharp inverted image of a distant tree on a screen placed in front of the concave mirror. He then removed the screen and tried to look into the mirror. He would now see
(A) a very blurred image on the wall opposite to the mirror
(B) an erect and magnified image of the tree in the mirror
(C) no image as the screen has been removed
(D) a highly diminished inverted image of the tree at the focus of the mirror.
Solution
The student would observe a highly diminished inverted image of the tree at the focus of the mirror.
The Correct Answer is D
APPEARS IN
RELATED QUESTIONS
Draw ray diagrams to show the principal focus of a convex mirror.
A spherical mirror produces an image of magnification −1 on a screen placed at a distance of 40 cm from the mirror:
(i) Write the type of mirror.
(ii) What is the nature of the image formed?
(iii) How far is the object located from the mirror?
(iv) Draw the ray diagram to show the image formation in this case.
Find the focal length of a concave mirror whose radius of curvature is 32 cm.
For what position of an object, a concave mirror forms a real image equal in size to the object?
State where an object must be placed so that the image formed by a concave mirror is:
(b) at infinity.
(c) the same size as the object.
Make labelled ray diagrams to illustrate the formation of:
a virtual image by a converging mirror.
Mark clearly the pole, focus, centre of curvature and position of object in each case.
Write down a formula for the magnification produced by a concave mirror.
in terms of height of object and height of image
An object of 5.0 cm size is placed at a distance of 20.0 cm from a converging mirror of focal length 15.0 cm. At what distance from the mirror should a screen be placed to get the sharp image? Also calculate the size of the image.
Which of the following mirror is used by a dentist to examine a small cavity in a patient’s teeth?
State whether the following statement is True or False
The sides of an object and its image formed by a concave mirror are always interchanged.
