Podcast
Questions and Answers
What type of image is always formed by a convex mirror?
What type of image is always formed by a convex mirror?
- Virtual and reduced (correct)
- Real and inverted
- Real and enlarged
- Virtual and erect (correct)
What happens to the size of the image when the object is placed between the focus and the mirror in a concave mirror?
What happens to the size of the image when the object is placed between the focus and the mirror in a concave mirror?
- The image is virtual and larger (correct)
- The image is real and smaller
- The image is virtual and smaller
- The image is real and the same size
When an object is placed beyond the center of curvature (C) of a concave mirror, what type of image is formed?
When an object is placed beyond the center of curvature (C) of a concave mirror, what type of image is formed?
- Virtual and magnified
- Real and smaller
- Virtual and erect
- Real and inverted (correct)
According to the mirror formula, what does the variable 'f' represent?
According to the mirror formula, what does the variable 'f' represent?
What occurs when the object is positioned at the focus (F) of a concave mirror?
What occurs when the object is positioned at the focus (F) of a concave mirror?
Flashcards
Convex mirror image type
Convex mirror image type
A virtual image is upright and cannot be projected onto a screen, while a reduced image is smaller than the original object.
Concave mirror image (object between focus and mirror)
Concave mirror image (object between focus and mirror)
A virtual image is upright and cannot be projected, while a larger image is bigger than the object.
Concave mirror image (object beyond center of curvature)
Concave mirror image (object beyond center of curvature)
A real image can be projected onto a screen, and inverted means upside down.
What does 'f' represent in the mirror formula?
What does 'f' represent in the mirror formula?
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Object at the focus of a concave mirror
Object at the focus of a concave mirror
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Study Notes
Convex Mirror
- Convex mirrors always form virtual, erect and diminished images.
- Images formed behind the mirror.
Concave Mirror
- Image formation in a concave mirror depends on the object's position.
- When the object is beyond the center of curvature (C), the image is real, inverted and smaller than the object
- When the object is at C, the image is real, inverted and same size as the object
- When the object is between C and the focus (F), the image is real, inverted and larger than the object.
- When the object is at F, the image forms at infinity.
- When the object is between F and the mirror, the image is virtual, erect and larger than the object.
Mirror Formula
- The mirror formula relates object distance ($u$), image distance ($v$), and focal length ($f$) for spherical mirrors.
- Equation: $\frac{1}{f} = \frac{1}{v} + \frac{1}{u}$
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Description
Test your understanding of concave and convex mirrors with this quiz. Explore the characteristics of image formation, the mirror formula, and the specific conditions that affect image properties. Perfect for students studying optics in physics.
