Physics Optics

This image is.....

• inverted and smaller
• inverted and larger
• not inverted and smaller
• not inverted and larger

A diverging lens is also known as a ____lens.

• refracted
• diffracted
• convex
• concave

This image is...

• Inverted and smaller
• inverted and bigger
• not inverted and smaller
• not inverted and bigger

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

What type of lens do humans have in their eyes? 

• Concave Lens 
• Convex Lens 

Is a concave lens thicker or thinner in the middle? 

• Thicker 
• Thinner 

After refraction by the lens, the ray parallel to the principal axis passes through the

• optical center

• vertex

• focal point

• core

Refraction occurs when a wave crosses a boundary and changes

• a. speed and direction.

• b. intensity.

• c. frequency.

• d. amplitude.

What type of image does this lens form?

• Virtual image
• Real Image
• No Image

Compared to the object in front the lens, its image is.....

• inverted and diminished

• inverted and magnified

• upright and diminished

• upright and magnified