Advertisements
Advertisements
Question
Define the following term in relation to concave mirror.
Pole
Advertisements
Solution
Pole “is the mid-point of the mirror”.
APPEARS IN
RELATED QUESTIONS
A diverging lens is used in:
(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
Does the mirror mentioned in part (b) form real image for all locations of the object?
Discuss the position and nature of image formed by a concave mirror when an object is moved from infinity towards the pole of mirror.
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it.
Find : (a) the focal length of the mirror (b) position of image
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
Define the following term in relation to concave mirror.
Principal axis
The distance from the pole to the focus is called ______.
