Concave Convex

Rob wants to design a solar furnace that will focus sunlight at one spot to heat water.

Which of the following mirrors should Rob use in the solar furnace?

Note: The smooth side is the reflecting part of the mirror, and the dotted side is the back.

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Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-PS3-3

Miranda wants to design a powerful flashlight and needs a mirror that will reflect light from the flashlight bulb in one direction.

Which of the following mirrors should Miranda use in the flashlight?

Note: The smooth side is the reflecting part of the mirror, and the dotted side is the back.

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Tags

NGSS.MS-PS4-2

Sarah has built a microscope but needs to design a mirror to illuminate her slides by focussing light from a distant bulb on the instrument.

Which of the following mirrors should Sarah use in the microscope?

Note: The smooth side is the reflecting part of the mirror, and the dotted side is the back.

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Tags

NGSS.MS-ETS1-1

NGSS.MS-PS4-2

Is a convex lens thicker or thinner in the middle?

• Thicker 

• Thinner 

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

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

Which type of mirror is used in car headlights to focus light into a beam?

• Concave mirror

• Convex mirror

• Plane mirror

• Parabolic mirror

What type of lens is used in magnifying glasses?

• Concave lens

• Convex lens

• Biconcave lens

• Plano-convex lens

A concave mirror is used to focus light. What is the nature of the image formed when an object is placed between the focal point and the mirror?

• Real and inverted

• Virtual and upright

• Real and upright

• Virtual and inverted