Spherical Mirrors
Physics ⇒ Light and Optics
Spherical Mirrors starts at 9 and continues till grade 12.
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See sample questions for grade 11
A concave mirror has a focal length of 20 cm. An object is placed 60 cm in front of it. Calculate the image distance and state the nature of the image.
A convex mirror forms an image 12 cm behind the mirror when an object is placed 24 cm in front of it. What is the focal length of the mirror?
A convex mirror has a focal length of 15 cm. An object is placed 30 cm in front of it. Calculate the position of the image.
A convex mirror has a radius of curvature of 40 cm. What is its focal length?
A dentist uses a concave mirror to examine a tooth. The image appears magnified and upright. Where is the tooth located relative to the mirror?
A real, inverted image is formed by a concave mirror at a distance of 40 cm from the mirror when the object is placed 60 cm from the mirror. What is the focal length of the mirror?
A spherical mirror forms an image that is the same size as the object and is real and inverted. Where is the object placed?
A student places an object 10 cm in front of a concave mirror with a focal length of 15 cm. Where will the image be formed?
Describe the nature, position, and size of the image formed by a concave mirror when the object is placed at infinity.
Explain why convex mirrors are preferred as rear-view mirrors in vehicles.
If an object is placed at the center of curvature of a concave mirror, where will the image be formed?
If an object is placed at the focus of a concave mirror, what is the nature of the image formed?
If the focal length of a concave mirror is negative, what does this indicate about the mirror?
If the magnification produced by a mirror is +2, what does this indicate about the image?
State the mirror formula relating object distance (u), image distance (v), and focal length (f) for a spherical mirror.
The center of curvature of a spherical mirror is located at a distance of 20 cm from its pole. What is the focal length of the mirror?
The image formed by a concave mirror is real, inverted, and smaller than the object. Where is the object located?
Which type of spherical mirror is used in solar furnaces to concentrate sunlight at a point?
A concave mirror is used to project an image of a candle onto a screen. The image is sharp and inverted. If the distance between the candle and the screen is 80 cm and the mirror is placed between them, at what positions (relative to the mirror) should the candle and the screen be placed so that a sharp image is formed? Assume the focal length of the mirror is 20 cm.
A concave mirror produces an image that is three times larger than the object and inverted. If the object is placed 20 cm in front of the mirror, calculate the focal length of the mirror.
