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Chapter 5: Q5DQ (page 1151)

If a spherical mirror is immersed in water, does its focal length change? Explain

Short Answer

Expert verified

No spherical mirror it will remain the same, it will not change.

Step by step solution

01

Focal point

Focal point is the plane perpendicular to the axis of a lens or mirror and that passes through the focus of the mirror.

02

Answer explanation

The focal length of the mirror follows from the curvature of the mirror and the laws of reflection. The laws of reflection are independent of the wavelength of the light and the focal length doesn鈥檛 change when the mirror is immersed in water.

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