Concave and Convex Lens

What type of lens do humans have in their eyes? 

• Concave Lens 

• Convex Lens 

When light waves move from passing through air to passing through a glass lens when happens to them?

• They slow down and change direction

• They speed up and change direction

• They maintain the same speed and change direction

• They maintain their same speed and direction

Tags

NGSS.MS-PS4-2

Eyeglasses bend light to help the image form properly on the retina. The bending of light as it passes from one medium to another is called

• diffraction

• interference

• reflection

• refraction

Tags

NGSS.MS-PS4-2

What word means to bend light rays toward each other?

• Converging light

• Diverging light

• Virtual Light

• Real Light

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.

True or False: Can this image form?

• YES

• NO

Choose all the correct nature of the image.

• erect

• inverted

• magnified

• virtual

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The image will ...

• be inverted and real

• be formed at inifinity

• be erect and virtual

• be inverted and virtual

What type of lens is thicker at the center than at the edges?

• Concave lens

• Convex lens

• Biconcave lens

• Planar lens

Which type of lens can be used to correct farsightedness?

• Concave lens

• Convex lens

• Cylindrical lens

• Bifocal lens