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प्रश्न
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उत्तर
You can distinguish between a concave mirror and a convex mirror without touching them. When you look into these mirrors by bringing your face close to each mirror, they will produce an image of your face of different types.
A concave mirror will produce a magnified image of your face.
A convex mirror will produce a Diminished image of your face.
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संबंधित प्रश्न
One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens? Draw a ray diagram to justify your answer. A 4 cm tall object is placed perpendicular to its principal axis of a convex lens of focal length 20 cm. The distance of the object from the lens is 15 cm. Find the nature, position and the size of the image.
Name the two types of spherical mirrors. What type of mirror is represented by the:
front side of a shining steel spoon?
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Name the kind of mirror used to obtain :
A real and enlarged image
Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.
AB is the object, A'B' is the image, and MM' is the position of the mirror. Complete the ray diagram showing the formation of the image and find the focal length of the mirror.
Geometric centre of the spherical mirror is ______.
For a spherical mirror, ______ is true.
What is “aperture”?
