Topic 5:Optics Flashcards

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1
Q

What is the equation for finding the refractive index

A
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2
Q

Define and Draw a convex lens

A
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3
Q

Define and Draw a concave lens

A
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4
Q

Which lens is the diverging lens

A

Concave lens

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5
Q

What is total internal reflection

A
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5
Q

Which lens is the converging lens

A

convex lens

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6
Q

Define a critical angle

A
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7
Q

Where should you draw the normal line when showing Reflection or refraction

A
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8
Q

During reflection the reflected angle should be equal to the

A

Incident angle

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9
Q

Define incident ray

A
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10
Q

Define lens

A

A piece of glass curved in a way so it changes the direction of light rays that pass through it in a specific way forming images

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11
Q

What is a real image

A

Can be projected
light passess through the image & cross
on the opposite side of the object

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12
Q

What is a virtual Image

A
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13
Q

What is the focal length

A
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14
Q

What is the equation for to find the focal length

A
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15
Q

what is intensity directly proportional to

A
16
Q

what is the equation for power

A
17
Q

a shorter focal length will have…

A

stronger power

18
Q

a longer focal length will have…

A
19
Q

What is lense power measured in

A
20
Q

What is the equation for combining lenses

A
21
Q

concave lenses have a…

A

negative value/power

22
Q

convex lenses have a…

A

Positive value / power