A 2 cm diameter coin rests flat on the bottom of a bowl in which the water is which the water is 20 cm deep - w -4-3 - if the coin is viewed directly from above- what is the apparent diameter-

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Byju's Answer

Standard XII

Physics

Combinations of Lenses & Mirrors

A 2 cm diamet...

Question

A 2 cm diameter coin rests flat on the bottom of a bowl in which the water is which the water is 20 cm deep $(μ_{w} = 4 / 3)$ . if the coin is viewed directly from above, what is the apparent diameter:

2 cm

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1.5 cm

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2.67 cm

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1.67 cm

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Solution

The correct option is C 2 cm
For a plane refracting surface, the lateral magnification is 1.
Thus the image of coin will be of same size as the coin i.e., 2cm

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A 2 cm diameter coin rests flat on the bottom of a bowl in which the water is which the water is 20 cm deep (μw=4/3). if the coin is viewed directly from above, what is the apparent diameter:

The correct option is C 2 cmFor a plane refracting surface, the lateral magnification is 1.Thus the image of coin will be of same size as the coin i.e., 2cm

A 2 cm diameter coin rests flat on the bottom of a bowl in which the water is which the water is 20 cm deep $(μ_{w} = 4 / 3)$ . if the coin is viewed directly from above, what is the apparent diameter:

The correct option is C 2 cm
For a plane refracting surface, the lateral magnification is 1.
Thus the image of coin will be of same size as the coin i.e., 2cm