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 10
A concave mirror forms an image 30 cm in front of it when an object is placed 60 cm in front of it. What is the focal length of the mirror?
A concave mirror has a focal length of -15 cm. An object is placed 30 cm in front of it. Calculate the image distance.
A convex mirror forms an image 15 cm behind the mirror when the object is 30 cm in front of it. What is the focal length of the mirror?
A convex mirror has a focal length of 25 cm. What is the radius of curvature?
A dentist uses a mirror to examine a patient's teeth. Which type of mirror is used and why?
Define the principal axis of a spherical mirror.
Describe the nature and position of the image formed by a convex mirror when the object is at infinity.
Explain why a concave mirror is used in solar furnaces.
If an object is placed at infinity in front of a concave mirror, where is the image formed?
If an object is placed at the center of curvature of a concave mirror, where is the image formed?
If an object is placed at the focus of a concave mirror, where is the image formed?
If the image formed by a spherical mirror is virtual, erect, and larger than the object, which mirror is being used and where is the object placed?
If the magnification produced by a mirror is +2, what can you say about the image?
If the object distance (u) is -20 cm and the image distance (v) is +10 cm for a spherical mirror, what is the magnification?
If the radius of curvature of a concave mirror is 20 cm, what is its focal length?
State one use of convex mirrors in daily life.
State the mirror formula for spherical mirrors.
State the sign convention for measuring distances in spherical mirrors.
The image formed by a concave mirror is real, inverted, and of the same size as the object. Where is the object placed?
What is a spherical mirror?
