1 A glass is filled with water up to 12 5cm The apparent depth of an object lying at the bottom of the glass is mea sured by a

Question

1 A glass is filled with water up to 12 5cm The apparent depth of an object lying at the bottom of the glass is mea sured by a microscope to be 9 4cm Calculate the refrac tive index of water If water is replaced by a liquid of 750 refractive index 1 63 up to the same height by what dis tance would the microscope has to be moved to focus the object again NCERT 1 33 1 74 cm

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