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प्रश्न
Which of the following can be used to form a real image?
पर्याय
Concave mirror only.
Plane mirror only.
Convex mirror only.
Both concave and convex mirrors.
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उत्तर
Concave mirror only.
Explanation:
A concave mirror can form a real image when the object is placed at a distance greater than the focal point of the mirror. The real image formed by a concave mirror is inverted and can be projected onto a screen.
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A plane mirror always forms a virtual, upright image, not a real image.
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A convex mirror always forms a virtual, diminished image, not a real image.
Thus, only a concave mirror can form a real image in certain situations.
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संबंधित प्रश्न
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 truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be ______.
Explain the difference between a plane mirror, a concave mirror, and a convex mirror with respect to the type and size of the images produced.
A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is ______.
In which of the following, the image of an object placed at infinity will be highly diminished and point sized?
______ mirrors form the perfect image of an object.
The ______ of a mirror determines the type of image it forms.
The ______ is an optical device with a polished surface that reflects the light falling on it.
Curved mirrors form the perfect image of an object.
If two mirrors are placed at an inclination of 30° then how many images can be seen?
Car rearview mirrors carry a warning message that “objects in the rearview mirror are closer than they appear”. Why do you think this is so?
