Convex and Concave

In the image, all the rays meet at F, What is F

• focal length

• focal point

• center of curvature

• reflection

This image is showing a convex mirror because the image is (choose 2 answers)

• rays meeting behind the mirror

• rays meeting behind the mirror

• image is real

• image is virtual

Tags

NGSS.MS-PS4-2

this type of mirror is used in supermarkets to see around bends

• concave

• convex

• plane

• window

what is A on the diagram?

• center of curviture

• focal length

• reflected ray

• focal point

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following descriptions is correct?

• a is the symbol for concave lens and b is the symbol for convex lens

• Only a can be used when drawing concave and convex lens.

• a is the symbol for convex lens and b is the symbol for concave lens

• Only b can be used when drawing concave and convex lens.

The image will ...

• be inverted and real

• be formed at inifinity

• be erect and virtual

• be inverted and virtual

True or False: Can this image form?

• YES

• NO

Tags

NGSS.MS-PS4-1

Which type of mirror is used in car side mirrors to give a wider field of view?

• Concave

• Convex

• Plane

• Cylindrical

What type of lens is used to correct short-sightedness (myopia)?

• Concave lens

• Convex lens

• Cylindrical lens

• Bifocal lens

Which type of mirror can focus light to a single point?

• Concave mirror

• Convex mirror

• Plane mirror

• Spherical mirror