5 • Lenses - Diagrams

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16 Terms

1
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Differentiate between Converging and Diverging lenses

  • Converging - has a positive power

  • Diverging - has a negative power

2
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What happens to a ray that is parallel to the axis?

Pass through the focal point

3
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What happens to a ray that is striking the pole of the mirror?

Pass straight through

4
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What happens to a ray passing through the focal point?

5
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<p><span style="color: rgb(0, 0, 0);"><span>What type of image is being formed in this diagram?</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Converging Lens : Object more than 2F away</span></em></span></p>

What type of image is being formed in this diagram?

Converging Lens : Object more than 2F away

Real

Inverted

Diminished

6
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<p><span style="color: rgb(0, 0, 0);"><span>What type of image is being formed in this diagram?</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Converging Lens : Object 2F away</span></em></span></p>

What type of image is being formed in this diagram?

Converging Lens : Object 2F away

Real

Inverted

Same Size

7
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<p><span style="color: rgb(0, 0, 0);"><span>What type of image is being formed in this diagram?</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Converging Lens : Object between F &amp; 2F</span></em></span></p>

What type of image is being formed in this diagram?

Converging Lens : Object between F & 2F

Real

Inverted

Magnified

8
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<p><span style="color: rgb(0, 0, 0);"><span>What type of image is being formed in this diagram?</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Converging Lens : Object at F</span></em></span></p>

What type of image is being formed in this diagram?

Converging Lens : Object at F

Real

Inverted

At Infinity

9
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<p><span style="color: rgb(0, 0, 0);"><span>What type of image is being formed in this diagram?</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Converging Lens : Object inside F</span></em></span></p>

What type of image is being formed in this diagram?

Converging Lens : Object inside F

Virtual

Upright

Magnified

10
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<p><span style="color: rgb(0, 0, 0);"><span>What type of image is being formed in this diagram?</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Diverging Lens</span></em></span></p>

What type of image is being formed in this diagram?

Diverging Lens

Virtual

Upright

Diminished

11
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<p><span style="color: rgb(0, 0, 0);"><span>Label this formula</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Mirror and lens formula</span></em></span></p>

Label this formula

Mirror and lens formula

f - focal length

v - image distance

u - object distance

12
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What page of the log tables can you find the Mirror and Lens Formula?

60

13
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<p><span style="color: rgb(0, 0, 0);"><span>Label this formula</span></span></p><p><span style="color: rgb(0, 0, 0);"><em><span>Magnification</span></em></span></p>

Label this formula

Magnification

m - magnification

v - image distance/height

u - object distance/height

14
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What page of the log tables can you find the Magnification Formula?

60

15
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Name 3 uses of Converging Lenses

  • Long sighted spectacles

  • Magnifying glass

  • Camera Lenses

16
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Name 3 uses of Diverging Lenses

  • Short sighted spectacles

  • Door peephole

  • Camera Lenses