When a mirror is rotated through an angle θ, the reflected ray from it turns through an angle of
A concave mirror of focal length ‘f’ produces an image ‘n’ times farther than the object. If the image is real, then the distance of the object from the mirror is:
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If the magnification has a negative sign, the image formed by the concave mirror must be
When the image is of double size as the object, the magnification is
When the image is of the same size as the object, the magnification is
Which one is correct as the new cartesian sign conventions ?
An object is placed on the principal axis of a spherical mirror. The object distance u is:
An object 2 cm high is placed at a distance of 16 cm from a concave mirror, which produces a real image 3 cm high. What is the focal length of the mirror ?
146 videos|358 docs|249 tests
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146 videos|358 docs|249 tests
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