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प्रश्न
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
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उत्तर
A concave mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
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संबंधित प्रश्न
A student obtains a blurred image of a distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens
(A) away from the screen
(B) towards the screen
(C) to a position very far away from the screen
(D) either towards or away from the screen depending upon the position of the object
A mirror forms an image which is 30 cm from an object and twice its height.
(a) Where must the mirror be situated?
(b) What is the radius of curvature?
(c) Is the mirror convex or concave?
Name the mirror which can give:
an erect and diminished image of an object.
State whether the following statement is true or false:
A diverging mirror is used as a rear-view mirror.
If a driver has one convex and one plane rear-view mirror, how would the images in each mirror appear different?
The image formed by a convex mirror is
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
Why are the mirrors fitted on the outside of cars convex?
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between infinity and device, image formed is diminished and between pole and focus, behind it.
The distance between an object and a convex lens is changing. It is noticed that the size of the image formed on a screen is decreasing. Is the object moving in a direction towards the lens or away from it?
