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Section 1

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For a diverging lens, when is the image upright

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (33)

Section 1

(33 cards)

For a diverging lens, when is the image upright

Front

always

Back

For a converging lens, when is the image real?

Front

Object outside F

Back

For a converging lens, when is the image larger

Front

Object inside 2F

Back

For a diverging lens, when is the image virtual

Front

always

Back

Total internal reflection

Front

the complete reflection that takes place within a substance when the angle of incidence of light striking the surface boundary is greater than the critical angle

Back

If colors X and Y are sent into a prism and X bends more than Y, which is slower?

Front

X

Back

Why does a clear stream always appear to be shallower than it is?

Front

Light rays from the bottom bend away from the normal so that the image is closer to the observer

Back

For a converging lens, when is the image inverted

Front

object outside f

Back

critical angle

Front

the angle of incidence at which the refracted light makes an angle of 90° with the normal

Back

snell's law

Front

index of refraction of first medium × sine of the angle of incidence = index of refraction of second medium × sine of the angle of refraction (ni sinQi =nr sinQr)

Back

When does a light ray not bend toward the normal?

Front

ni>nr

Back

For a converging lens, when is the image reduced

Front

Object outside 2F

Back

For a diverging lens, when is the image larger

Front

never

Back

For a diverging lens, when is the image smaller

Front

always

Back

If a lightwave goes from a vacuum to glass does the speed change? How?

Front

yes, slower

Back

A coin is in the water. You dive toward the coin. Is the coin in front or behind you

Front

behind. when outside the water the image of the coin appears farther away than the actual coin

Back

For a converging lens, when is the image virtual

Front

Object inside F

Back

sine(critical angle)=

Front

index of refraction of second medium/index of refraction of first medium (only if index of refraction of first medium>than that of second medium)

Back

For a diverging lens, when is the image real

Front

never

Back

dispersion

Front

the process of separating polychromatic light into its component wavelengths

Back

If n is close to 1 why is it hard to see the liquid?

Front

Light hardly bends from air

Back

Does the wavelength change when a lightwave changes mediums

Front

Yes

Back

Assuming Wavelength=589 calculate critical angles for zircon

Front

Critical angle = sin^-1(nr/ni)=31.3

Back

chromatic aberration

Front

the focusing of different colors of light at dif ferent distances behind a lens

Back

What does n = in a vacuum?

Front

1

Back

For a diverging lens, when is the image inverted?

Front

never

Back

If images are normally upside down in a projector, it is a ____ lens

Front

converging

Back

For a converging lens, when is the image upright?

Front

object inside F

Back

If a lightwave goes from a vacuum to glass does the frequency change?

Front

No

Back

If a lightwave goes from a vacuum to glass does the wavelength stretch, shrink, or stay constant?

Front

it is shorter

Back

Why does an oar appear bent in the water?

Front

The image of the oar is closer to the observer

Back

In water, is a converging glass lens focal point longer or shorter than in air

Front

longer

Back

What are the three conditions that must be met for refraction to occur

Front

Incident Angle cannot = 0, ni cannot = nr, both media must be transparent

Back