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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
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
Three mirrors are created from a single sphere. Which of the following - pole, centre of curvature, radius of curvature, principal axis - will be common to them and which will not be common?
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
Define the following term in relation to concave mirror.
Principal axis
AB is the object, A1B1 is its image. MM' is the position of the mirror. Complete the ray diagram and find the position of the center of curvature and focus of the mirror. Also, measure the focal length.
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
Explain why a ray of light passing through the center of curvature of a concave mirror, gets reflected along with the same pattern.
