Lenses

What does the word "converging" mean?

• to separate
• to come together
• parallel 
• perpendicular

When an object is placed between the focal point and the convex lens, the image produced is ___.

• real, reduced, and inverted
• real, enlarged, and inverted
• virtual, enlarged, and upright
• virtual, reduced, and upright

What does the word "diverging" mean?

• to spread apart
• to come together
• parallel
• perpendicular

Images produced by a diverging lens are always _____.

• real, reduced, and inverted
• virtual, reduced, and upright
• real, enlarged, and inverted
• virtual, enlarged, and upright

When light travels from air to water it....

• Speeds up
• Slows down
• stays the  same speed

Tags

NGSS.MS-PS4-2

Which describes a convex lens?

• triangular in shape
• more transparent in the middle
• thicker on the edges than in the middle
• thicker in the middle than on the edges

Is a convex lens thicker or thinner in the middle?

• Thicker 
• Thinner 

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

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

Tags

NGSS.HS-PS4-5

What type of image is formed when rays of light actually intersect?

• real
• virtual
• projected
• curved

Which describes a convex lens?

• triangular in shape
• more transparent in the middle
• thicker on the edges than in the middle
• thicker in the middle than on the edges