If for a pair of media- the value of sin i-sin r is greater than 1- then which of the following statement is true-

Sin i/sin r = v_1/v_2 nbsp; Hence, if the value is greater than 1, it implies v_1 gt; v_2. So, the medium the light is entering into has a lower velocity of ...

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Standard XIII

Physics

History of Snell's Law

If for a pair...

Question

If for a pair of media, the value of $\frac{s i n i}{s i n r}$ is greater than 1, then which of the following statement is true?

If light goes from medium A to medium B, it will bend towards the normal

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If light goes from medium A to medium B, it will bend away from the normal

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If light goes from medium A to medium B its speed reduces

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If light goes from medium B to medium A its speed increases

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Solution

The correct option is A
If light goes from medium A to medium B, it will bend towards the normal

$\frac{s i n i}{s i n r} = \frac{v_{1}}{v_{2}}$
Hence, if the value is greater than 1, it implies
$v_{1} > v_{2} .$
So, the medium the light is entering into has a lower velocity of light in it. So, the ray will bend towards the normal.

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If for a pair of media, the value of sin isin r is greater than 1, then which of the following statement is true?

The correct option is A If light goes from medium A to medium B, it will bend towards the normal sin isin r=v1v2 Hence, if the value is greater than 1, it implies v1>v2. So, the medium the light is entering into has a lower velocity of light in it. So, the ray will bend towards the normal.

If for a pair of media, the value of $\frac{s i n i}{s i n r}$ is greater than 1, then which of the following statement is true?