Spherical Mirrors
Physics ⇒ Light and Optics
Spherical Mirrors starts at 9 and continues till grade 12.
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A 2 cm tall object is placed 10 cm in front of a concave mirror with a focal length of 5 cm. Calculate the height of the image.
A concave mirror has a focal length of 15 cm. An object is placed 30 cm in front of the mirror. Calculate the image distance.
A concave mirror has a focal length of 20 cm. An object is placed 60 cm from the mirror. Find the position and nature of the image.
A convex mirror has a focal length of 12 cm. An object is placed 24 cm in front of the mirror. Calculate the image distance.
A dentist uses a concave mirror of focal length 4 cm to examine a tooth. If the tooth is 3 cm from the mirror, what is the nature of the image?
A 2 cm tall object is placed 10 cm in front of a concave mirror with a focal length of 5 cm. Calculate the height of the image.
A concave mirror has a focal length of 20 cm. An object is placed 60 cm from the mirror. Find the position and nature of the image.
A convex mirror has a focal length of 12 cm. An object is placed 24 cm in front of the mirror. Calculate the image distance.
A dentist uses a concave mirror of focal length 4 cm to examine a tooth. If the tooth is 3 cm from the mirror, what is the nature of the image?
Which of the following best describes the image formed by a convex mirror for any position of the object?
(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 pole.
(4) The line tangent to the mirror at the pole.
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 concave mirrors?
(1) Shaving mirrors
(2) Headlights of vehicles
(3) Rear-view mirrors
(4) Solar furnaces
The distance between the pole and the center of curvature of a spherical mirror is called the _____.
The magnification (m) produced by a spherical mirror is given by m = _____.
The point on the principal axis of a spherical mirror where the reflected rays actually converge or appear to diverge from 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 diminished, virtual, and erect image of an object placed in front of it. True or False?
A convex mirror is used as a rear-view mirror in vehicles because it provides a wider field of view. True or False?
The focal length of a spherical mirror is positive for a convex mirror and negative for a concave mirror according to the sign convention. True or False?
