Refraction, Law of Refraction Refractive index and Snell's law.
Ray Optics

282091 For the angle of minimum deviation of a prism to be equal to its refracting angle the prism must be made of a material whose refractive index-

1 lies between $\sqrt{2}$ and 1
2 lies between 2 and $\sqrt{2}$
3 is less than 1
4 is greater than 2
Ray Optics

282101 Light is incident from medium with refractive index $\sqrt{2}$ on medium with refractive index 1 . For what angel of incidence the angle of refraction is $90^{\circ}$ ?

1 $45^{\circ}$
2 $60^{\circ}$
3 $90^{\circ}$
4 $30^{\circ}$
Ray Optics

282102 A light ray travels through two media $A$ and $B$ having, refractive indices of $\frac{4}{3}$ and $\frac{3}{2}$ respectively. If the thickness of the medium $A$ is $4 \mathrm{~cm}$ and that of $B$ is $6 \mathrm{~cm}$, then the optical path length in the combined media will be

1 $\frac{7}{3}$
2 $\frac{12}{3}$
3 $\frac{37}{3}$
4 $\frac{43}{3}$
Ray Optics

282103 Light of wavelength $300 \mathrm{~nm}$ in medium $A$ enters into medium $B$ through a plane surface. If the frequency of light is $5 \times 10^{14} \mathrm{~Hz}$ and the ratio of speed in medium $A$ to that is medium $B$ is $\frac{4}{5}$, the absolute refractive index of medium $B$ is.

1 1.6
2 1.5
3 1.3
4 1.45
Ray Optics

282104 If the refractive index of water is $\mathbf{1 . 3 3}$, find the speed of light in water:

1 $1.33 \times 10^8 \mathrm{~m} . \mathrm{s}$
2 $2.25 \times 10^8 \mathrm{~m} \cdot \mathrm{s}^{-1}$
3 $3 \times 10^8 \mathrm{~m} . \mathrm{s}^{-1}$
4 $4 \times 10^8 \mathrm{~m} . \mathrm{s}$
Ray Optics

282091 For the angle of minimum deviation of a prism to be equal to its refracting angle the prism must be made of a material whose refractive index-

1 lies between $\sqrt{2}$ and 1
2 lies between 2 and $\sqrt{2}$
3 is less than 1
4 is greater than 2
Ray Optics

282101 Light is incident from medium with refractive index $\sqrt{2}$ on medium with refractive index 1 . For what angel of incidence the angle of refraction is $90^{\circ}$ ?

1 $45^{\circ}$
2 $60^{\circ}$
3 $90^{\circ}$
4 $30^{\circ}$
Ray Optics

282102 A light ray travels through two media $A$ and $B$ having, refractive indices of $\frac{4}{3}$ and $\frac{3}{2}$ respectively. If the thickness of the medium $A$ is $4 \mathrm{~cm}$ and that of $B$ is $6 \mathrm{~cm}$, then the optical path length in the combined media will be

1 $\frac{7}{3}$
2 $\frac{12}{3}$
3 $\frac{37}{3}$
4 $\frac{43}{3}$
Ray Optics

282103 Light of wavelength $300 \mathrm{~nm}$ in medium $A$ enters into medium $B$ through a plane surface. If the frequency of light is $5 \times 10^{14} \mathrm{~Hz}$ and the ratio of speed in medium $A$ to that is medium $B$ is $\frac{4}{5}$, the absolute refractive index of medium $B$ is.

1 1.6
2 1.5
3 1.3
4 1.45
Ray Optics

282104 If the refractive index of water is $\mathbf{1 . 3 3}$, find the speed of light in water:

1 $1.33 \times 10^8 \mathrm{~m} . \mathrm{s}$
2 $2.25 \times 10^8 \mathrm{~m} \cdot \mathrm{s}^{-1}$
3 $3 \times 10^8 \mathrm{~m} . \mathrm{s}^{-1}$
4 $4 \times 10^8 \mathrm{~m} . \mathrm{s}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Ray Optics

282091 For the angle of minimum deviation of a prism to be equal to its refracting angle the prism must be made of a material whose refractive index-

1 lies between $\sqrt{2}$ and 1
2 lies between 2 and $\sqrt{2}$
3 is less than 1
4 is greater than 2
Ray Optics

282101 Light is incident from medium with refractive index $\sqrt{2}$ on medium with refractive index 1 . For what angel of incidence the angle of refraction is $90^{\circ}$ ?

1 $45^{\circ}$
2 $60^{\circ}$
3 $90^{\circ}$
4 $30^{\circ}$
Ray Optics

282102 A light ray travels through two media $A$ and $B$ having, refractive indices of $\frac{4}{3}$ and $\frac{3}{2}$ respectively. If the thickness of the medium $A$ is $4 \mathrm{~cm}$ and that of $B$ is $6 \mathrm{~cm}$, then the optical path length in the combined media will be

1 $\frac{7}{3}$
2 $\frac{12}{3}$
3 $\frac{37}{3}$
4 $\frac{43}{3}$
Ray Optics

282103 Light of wavelength $300 \mathrm{~nm}$ in medium $A$ enters into medium $B$ through a plane surface. If the frequency of light is $5 \times 10^{14} \mathrm{~Hz}$ and the ratio of speed in medium $A$ to that is medium $B$ is $\frac{4}{5}$, the absolute refractive index of medium $B$ is.

1 1.6
2 1.5
3 1.3
4 1.45
Ray Optics

282104 If the refractive index of water is $\mathbf{1 . 3 3}$, find the speed of light in water:

1 $1.33 \times 10^8 \mathrm{~m} . \mathrm{s}$
2 $2.25 \times 10^8 \mathrm{~m} \cdot \mathrm{s}^{-1}$
3 $3 \times 10^8 \mathrm{~m} . \mathrm{s}^{-1}$
4 $4 \times 10^8 \mathrm{~m} . \mathrm{s}$
Ray Optics

282091 For the angle of minimum deviation of a prism to be equal to its refracting angle the prism must be made of a material whose refractive index-

1 lies between $\sqrt{2}$ and 1
2 lies between 2 and $\sqrt{2}$
3 is less than 1
4 is greater than 2
Ray Optics

282101 Light is incident from medium with refractive index $\sqrt{2}$ on medium with refractive index 1 . For what angel of incidence the angle of refraction is $90^{\circ}$ ?

1 $45^{\circ}$
2 $60^{\circ}$
3 $90^{\circ}$
4 $30^{\circ}$
Ray Optics

282102 A light ray travels through two media $A$ and $B$ having, refractive indices of $\frac{4}{3}$ and $\frac{3}{2}$ respectively. If the thickness of the medium $A$ is $4 \mathrm{~cm}$ and that of $B$ is $6 \mathrm{~cm}$, then the optical path length in the combined media will be

1 $\frac{7}{3}$
2 $\frac{12}{3}$
3 $\frac{37}{3}$
4 $\frac{43}{3}$
Ray Optics

282103 Light of wavelength $300 \mathrm{~nm}$ in medium $A$ enters into medium $B$ through a plane surface. If the frequency of light is $5 \times 10^{14} \mathrm{~Hz}$ and the ratio of speed in medium $A$ to that is medium $B$ is $\frac{4}{5}$, the absolute refractive index of medium $B$ is.

1 1.6
2 1.5
3 1.3
4 1.45
Ray Optics

282104 If the refractive index of water is $\mathbf{1 . 3 3}$, find the speed of light in water:

1 $1.33 \times 10^8 \mathrm{~m} . \mathrm{s}$
2 $2.25 \times 10^8 \mathrm{~m} \cdot \mathrm{s}^{-1}$
3 $3 \times 10^8 \mathrm{~m} . \mathrm{s}^{-1}$
4 $4 \times 10^8 \mathrm{~m} . \mathrm{s}$
Ray Optics

282091 For the angle of minimum deviation of a prism to be equal to its refracting angle the prism must be made of a material whose refractive index-

1 lies between $\sqrt{2}$ and 1
2 lies between 2 and $\sqrt{2}$
3 is less than 1
4 is greater than 2
Ray Optics

282101 Light is incident from medium with refractive index $\sqrt{2}$ on medium with refractive index 1 . For what angel of incidence the angle of refraction is $90^{\circ}$ ?

1 $45^{\circ}$
2 $60^{\circ}$
3 $90^{\circ}$
4 $30^{\circ}$
Ray Optics

282102 A light ray travels through two media $A$ and $B$ having, refractive indices of $\frac{4}{3}$ and $\frac{3}{2}$ respectively. If the thickness of the medium $A$ is $4 \mathrm{~cm}$ and that of $B$ is $6 \mathrm{~cm}$, then the optical path length in the combined media will be

1 $\frac{7}{3}$
2 $\frac{12}{3}$
3 $\frac{37}{3}$
4 $\frac{43}{3}$
Ray Optics

282103 Light of wavelength $300 \mathrm{~nm}$ in medium $A$ enters into medium $B$ through a plane surface. If the frequency of light is $5 \times 10^{14} \mathrm{~Hz}$ and the ratio of speed in medium $A$ to that is medium $B$ is $\frac{4}{5}$, the absolute refractive index of medium $B$ is.

1 1.6
2 1.5
3 1.3
4 1.45
Ray Optics

282104 If the refractive index of water is $\mathbf{1 . 3 3}$, find the speed of light in water:

1 $1.33 \times 10^8 \mathrm{~m} . \mathrm{s}$
2 $2.25 \times 10^8 \mathrm{~m} \cdot \mathrm{s}^{-1}$
3 $3 \times 10^8 \mathrm{~m} . \mathrm{s}^{-1}$
4 $4 \times 10^8 \mathrm{~m} . \mathrm{s}$