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 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 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?
The image formed by a convex mirror is always:
(1) Real and inverted
(2) Virtual and erect
(3) Real and erect
(4) Virtual and inverted
Which of the following best describes the principal axis of a spherical mirror?
(1) The line passing through the center of curvature and the pole.
(2) The line perpendicular to the mirror surface.
(3) The line joining the focus and the object.
(4) The line joining the pole and the object.
Which of the following is a property of a concave mirror?
(1) It always forms a virtual image.
(2) It can form both real and virtual images.
(3) It always forms a real image.
(4) It cannot form an image.
Which of the following is NOT a use of convex mirrors?
(1) Rear-view mirrors in vehicles
(2) Shaving mirrors
(3) Security mirrors in stores
(4) Hallway safety mirrors
The distance between the pole and the focus of a spherical mirror is called the _____.
The magnification (m) produced by a spherical mirror is given by the ratio m = _____.
The point on the principal axis of a spherical mirror where all parallel rays converge (or appear to diverge from) after reflection is called the _____.
The radius of curvature (R) of a spherical mirror is related to its focal length (f) by the equation: R = _____.
A convex mirror always forms a virtual, erect, and diminished image of an object placed in front of it. True or False?
State whether the following statement is true or false: The image formed by a convex mirror can be real if the object is placed at a certain distance.
State whether the following statement is true or false: The pole of a spherical mirror is the geometric center of its reflecting surface.
