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L1 Ray Optics-introduction to plane mirrors , Class 12 , Physics Video Lecture | Additional Study Material for NEET

26 videos|287 docs|64 tests

FAQs on L1 Ray Optics-introduction to plane mirrors , Class 12 , Physics Video Lecture - Additional Study Material for NEET

1. What is the principle of reflection in plane mirrors?
Ans. The principle of reflection in plane mirrors states that the angle of incidence is equal to the angle of reflection. When a light ray strikes a plane mirror, it reflects back at the same angle with respect to the mirror surface.
2. How does a plane mirror form an image?
Ans. A plane mirror forms a virtual image. When an object is placed in front of a plane mirror, the light rays coming from the object reflect off the mirror surface and appear to come from behind the mirror. The image formed is laterally inverted (left-right reversed) and at the same distance behind the mirror as the object is in front of it.
3. What is the difference between real and virtual images?
Ans. Real images are formed when actual light rays converge at a specific point and can be projected onto a screen. They are always formed on the opposite side of the mirror or lens compared to the object. On the other hand, virtual images are formed when light rays appear to diverge from a specific point but do not actually converge. They cannot be projected onto a screen and are always formed on the same side as the object.
4. How does the size of the image formed in a plane mirror compare to the size of the object?
Ans. The size of the image formed in a plane mirror is always equal to the size of the object. The image appears to be the same size, but laterally inverted (left-right reversed) compared to the object.
5. Can a plane mirror magnify an object?
Ans. No, a plane mirror cannot magnify an object. The image formed in a plane mirror is of the same size as the object. It only creates a virtual reflection, which appears to be at the same distance behind the mirror as the object is in front of it.
26 videos|287 docs|64 tests
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