Light-class 10

which of the following is not a property of the image formed by a plane mirror?

• virtual and erect

• Object size = image size

• object distance = image distance

• Real and inverted

Which of the following is a concave lens?

• 
• 
• 
• 

Convex mirror is also called as

• converging mirror

• diverging mirror

• plane mirror

• silver mirror

The relation between focal length and radius of curvature is

• R = 2f

• 1/f = 2R

• f = R/2

• R = 2/f

An incident ray that is parallel to the principal axis...

• will reflect parallel to the principal axis
• will refract through the focal point
• will reflect through the center of curvature
• will continue along the same path through the lens

a real image...

• is produced by virtual rays and can be projected on a screen
• is produced by real rays and cannot be projected on a screen
• is produced by virtual images and cannot be projected on a screen
• is produced by real rays and can be projected on a screen

When an object is placed on the focal point in front of a convex lens, the image produced is ___.

• real, reduced, and inverted
• real, enlarged, and inverted
• real, true, and inverted
• There is no image

Which of the following are uses for convex lenses? (Choose all that are correct)

• Camera lens

• Telescope lens

• Microscope lens

• Magnify glass

A ____ is a curved piece of glass or other transparent material that refracts light, (pg. 115-116)

• mirror

• lens

• window

• prism

The point where the rays meet is known as....

• Fire
• the focal point
• refraction
• Plane of the lens