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प्रश्न
The letters on the front of an ambulance are written laterally inverted like 
. Give reason.
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उत्तर
The letters on the front of an ambulance are written laterally inverted, so the driver of the vehicle moving ahead of the ambulance reads these words laterally inverted as AMBULANCE in his rearview mirror and gives side to pass the ambulance first.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
What will be the focal length of this mirror?
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Define the following term:
concave mirror
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
An object is placed in front of a concave mirror as shown in the following figure. By scale drawing, find the nature of the image. Given f = 10 cm, v = 30 cm.
What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
