· By a convex mirror, the image of objects of very large area is formed in a small area. Thus, the field of view of a convex mirror is larger. Therefore, it is installed in motor cars or trucks as a rear-view mirror next to the driver.
· Convex mirrors are used in reflective street lamps, due to their larger expansion area they spread light over a larger area.
A convex lens forms an image of an object placed 30 cm away. The image is formed at 60 cm on the other side. The magnification is:
Which of the following statements is correct about the absolute refractive index?
Which of the following is NOT correct according to the sign convention for spherical lenses?
An object is placed 15 cm in front of a convex lens of focal length 25 cm. The image distance will be
