Decide which statements are true and false about total internal reflection. magn

Question

Decide which statements are true and false about total internal reflection.

magnifying glasses are a practical application of the phenomenon of total internal reflection.

a larger critical angle means that total internal reflection is more likely to occur.

when light hits a boundary at an angle greater than the critical angle, it will undergo total internal reflection.

total internal reflection is more efficient than simple reflection of light off a silvered mirror, so prisms are often used in optical instruments to minimize light loss

Explanation / Answer

1. no, magnifying glasses use lens ( reflection property)

2. in case smaller angles it is more likely to occur.

in case of larger angles, we dont have much angle to make it occur.

at angles more than critical angle total internal reflection occur.

3. when light hits a boundary at an angle greater than the critical angle, it will undergo total internal reflection.

it true this is the deifinition of total internal reflection.

True //////Ans

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