Q. 174.3( 6 Votes )
The concave reflecting surface of a torch got rusted. What effect would this have on the beam of light from the torch?
if the concave reflecting surface of a torch gets rusted ,it will not produce clear beam of light and it will produce light with lower brightness, so the object will also be not clearly visible in lower brightness or light.
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The rear-view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear-view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be
i. 1m/s ii. 2m/s
iii. 4m/s iv. 8ms/NCERT Science
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Give one use each of a concave and a convex mirror.NCERT Science
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Fill in the blanks:
(a) The inner surface of a steel spoon acts as a __________ mirror.
(b) The outer surface of a flat steel plate acts as a ___________ mirror.
(c) The outer shining surface of a round bottom steel bowl acts as a __________ mirror.
(d) The inner surface of the reflector of a torch acts as a __________ mirror.NCERT - Exemplar Science
Which of the following can be used to form a real image?NCERT - Exemplar Science
A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use? Give reason.NCERT - Exemplar Science
You are given three mirrors of different types. How will you identify each one of them?NCERT - Exemplar Science