It is given that the value of sini - sinr when light enters from medium P to medium Q is less than 1 -A- Not possibleB- P is optically denser than QC- Q is optically denser than PD- P and Q have same optical density

The correct option is B P is optically denser than Q(sin i/sin r) lt; 1 ⇒ sin i lt; sin r i.e., angle of incidence lt; angle of refraction. It means ...

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Physics

Refractive Index of a Prism

It is given t...

Question

It is given that the value of $(s i n i / s i n r)$ when light enters from medium P to medium Q is less than 1.

P is optically denser than Q

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Q is optically denser than P

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P and Q have same optical density

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Not possible

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Solution

The correct option is A P is optically denser than Q
$(\frac{s i n i}{s i n r}) < 1 \Rightarrow s i n i < s i n r$

i.e., angle of incidence < angle of refraction. It means it bends away from the normal.

Hence, medium P is optically denser than Q.

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It is given that the value of (sin i / sin r) when light enters from medium P to medium Q is less than 1.

When light enters from medium P to medium Q, it is given that the value of $\frac{sin i}{sin r}$ is less than 1 which means:

Q. When a ray of light travels from an optically more denser medium to an optically less denser medium, the angle of incidence is always .......... than the angle of refraction.

When light enters from medium P to medium Q, it is given that the value of $\frac{sin i}{sin r}$ is less than 1, where i and r are the angle of incidence and refraction respectively. This means that:

Q. Which of the following conditions are necessary for total internal reflection to take place at the boundary of two optical media ?
1. Light is passing from optically denser medium to optically rarer medium.
2. Light is passing from optically rarer medium to optically denser medium.
3.Angle of incidence is greater than the critical angle.
4.Angle of incidence is less than the critical angle.

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It is given that the value of (sini/sinr) when light enters from medium P to medium Q is less than 1.

The correct option is A P is optically denser than Q(sin isin r)<1⇒sini<sinr i.e., angle of incidence < angle of refraction. It means it bends away from the normal. Hence, medium P is optically denser than Q.

It is given that the value of $(s i n i / s i n r)$ when light enters from medium P to medium Q is less than 1.

The correct option is A P is optically denser than Q
$(\frac{s i n i}{s i n r}) < 1 \Rightarrow s i n i < s i n r$

i.e., angle of incidence < angle of refraction. It means it bends away from the normal.

Hence, medium P is optically denser than Q.