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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
Define the following term in the context of spherical mirrors:- Centre of curvature
Explain the following term related to spherical lenses:- centres of curvature
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.
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
Upto what maximum distance from the pole the image in a convex mirror can be obtained? what will be the location of object then ?
Define the term Aperture.
What is a mirror formula?
In torches, search lights and headlights of vehicles the bulb is placed ______.
The radius of curvature of a spherical mirror is 18 cm. What is the focal length of this mirror?
A spherical mirror whose reflecting surface is curved outwards is called ______ mirror.
