Medical physics Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

When is a real image formed

A

When real light waves meet at a point, the image can be captured

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2
Q

How is a virtual image formed

A

When light rays appear to come from one place, the image can’t be captured

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3
Q

How can you distinguish between real and virtual images in equations

A

Real care positive

Virtual are negative

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4
Q

What kind of image is created by a converging lens

A

Real or virtual

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5
Q

What kind of image is created by diverging lens

A

Virtual

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6
Q

What’s the equation for magnification.

A

V/u where v is size of image and u is size of object

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7
Q

What is short sighted and what is the name for it

A

Myopia they are unable to focus on distant objects

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8
Q

What lens is used to correct short sightedness

A

Diverging lens

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9
Q

What lens is needed for long sightedness

A

Converging

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10
Q

What is longsightedness and what’s its name

A

Hypermetropia and they are unable to focus on close things

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