Question

Explian why test tube immersed at an angle in a tumbler of water appears to have a mirror surface from a certain veiwing position




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Answer 1

Explanation:

1.) When rays of light travel through water strikes the water glass interface of test tube at an angle which is more than critical angle for water. Then the light ray suffers total internal reflection.

2.) When these totally reflected rays reach the eye, then they appear to come from surface of test tube.

3.) So, the test tube appears as it has mirror surface.

Answer 2

Answer:

When a test tube is immersed in water at a certain angle it appears to have a mirror-like surface. That is due to refraction of light from the medium of air to the medium of water and then hitting the surface of the glass test tube as it's medium is glass the light undergoes reflection internally.

Explanation:

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