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Standard X

Physics

Lens Formula and Magnification

A container i...

Question

A container is filled with water ( $μ = 1.33$ ) upto a height of 33.25 cm. A concave mirror is placed 15 cm above the water level and the image of an object placed at the bottom is formed 25 cm below the water level. The focal length of the mirror is

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Solution

The correct option is C $20$
remember of taking the sign conversation sing at a distance with a medium in between remember of taking both negative
so the answer is option C approx 20 cm
if answer has a option
-20 cm we will be going with that one.(most accurate one)

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A container is filled with water (μ=1.33) upto a height of 33.25 cm. A concave mirror is placed 15 cm above the water level and the image of an object placed at the bottom is formed 25 cm below the water level. The focal length of the mirror is

The correct option is C 20remember of taking the sign conversation sing at a distance with a medium in between remember of taking both negativeso the answer is option C approx 20 cm if answer has a option -20 cm we will be going with that one.(most accurate one)

A container is filled with water ( $μ = 1.33$ ) upto a height of 33.25 cm. A concave mirror is placed 15 cm above the water level and the image of an object placed at the bottom is formed 25 cm below the water level. The focal length of the mirror is

The correct option is C $20$
remember of taking the sign conversation sing at a distance with a medium in between remember of taking both negative
so the answer is option C approx 20 cm
if answer has a option
-20 cm we will be going with that one.(most accurate one)