Test 5 Flashcards

1
Q

The image formed by a plane mirror is always

A

Virtual

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2
Q

A diverging lens can form only

A

Virtual image

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3
Q

When an object is placed at the focal length of a converging lens

A

Not seen

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4
Q

The point where parallel rays of light are converged is called

A

The focal point

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5
Q

To project an image on a screen the image must be

A

Real

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6
Q

When light travels from air into glass, it slows down. Which of the following statements is true about the light in the glass?

A

H

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7
Q

If an object is placed further from a convex mirror than the mirrors focal point then the

A

H

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8
Q

As light travels into a less dense medium which of the following statements is true?

A

I

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9
Q

A nearsighted person has an eye that

A

Is too long

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10
Q

A farsighted person has an eye that

A

Too short

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11
Q

An object is placed at the center of curvature of a concave mirror what is true

A

The image is real and inverted

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12
Q

You hold a convex lens a few cm from your face and look through it at a tree. The tree is actually 3m away from you but the image appears 6m away

A

Virtual

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13
Q

Which color of light, red or blue, Travels faster in crown glass

A

Red

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14
Q

If you want to start a fire using sunlight which kind of mirror would be most efficient

A

Concave mirror

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15
Q

When an object is placed further from a convex mirror than the focal length the image is

A

Smaller and virtual

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16
Q

A real image can form in front of

A

A concave mirror