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When an object of height 1 cm is kept at a distance 4 cm from a concave mirror, its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. Find the focal length of mirror, by drawing.
Concept: undefined >> undefined
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
Concept: undefined >> undefined
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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.
Concept: undefined >> undefined
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.
Concept: undefined >> undefined
An object of height 2 cm is placed at a distance of 20 cm in front of a concave mirror of a focal length of 12 cm. Find the position, size, and nature of the image.
Concept: undefined >> undefined
An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified?
Concept: undefined >> undefined
State two properties of ultrasound that make it useful to us.
Concept: undefined >> undefined
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
Concept: undefined >> undefined
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Concept: undefined >> undefined
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
Concept: undefined >> undefined
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A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Concept: undefined >> undefined
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Looking into a mirror one finds her image diminished, the mirror is:
Concept: undefined >> undefined
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Which mirror is used in periscope?
Concept: undefined >> undefined
Define the following term:
spherical mirror
Concept: undefined >> undefined
Define the following term:
convex mirror
Concept: undefined >> undefined
Define the following term:
concave mirror
Concept: undefined >> undefined
Define the following term in relation to concave mirror.
Pole
Concept: undefined >> undefined
Define the following term in relation to concave mirror.
Center of curvature
Concept: undefined >> undefined
Define the following term in relation to concave mirror.
Principal axis
Concept: undefined >> undefined
Define the following term in relation to concave mirror.
Focal length
Concept: undefined >> undefined
