282097 Consider a light ray travelling in air is incident into a medium of refractive index $\sqrt{2 n}$. The incident angle is twice that of refracting angle. Then, the angle of incidence will be

282098 Time taken by light to travel in two different materials $\mathbf{A}$ and $\mathbf{B}$ of refractive indices is $\mu_{\mathrm{A}}$ and $\mu_B$ of same thickness is $t_1$ and $t_2$ respectively. If $t_2-t_1=5 \times 10^{-10} \mathrm{~s}$ and the ratio of $\mu_A$ to $\mu_B$ is $1: 2$. then the thickness of material, in meter is: (Given $v_A$ and $v_B$ are velocities of light in $A$ and $B$ materials respectively).

282099 The difference of speed of light in the two media $A$ and $B\left(v_A-v_B\right)$ is $2.6 \times 10^7 \mathrm{~m} / \mathrm{s}$. If the refractive index of medium $B$ is 1.47 , then the ratio of refractive index of medium $B$ to medium $A$ is : (Given : speed of light in vacuum $\mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}$ )

282100 Which of the following statement is correct?

282097 Consider a light ray travelling in air is incident into a medium of refractive index $\sqrt{2 n}$. The incident angle is twice that of refracting angle. Then, the angle of incidence will be

282098 Time taken by light to travel in two different materials $\mathbf{A}$ and $\mathbf{B}$ of refractive indices is $\mu_{\mathrm{A}}$ and $\mu_B$ of same thickness is $t_1$ and $t_2$ respectively. If $t_2-t_1=5 \times 10^{-10} \mathrm{~s}$ and the ratio of $\mu_A$ to $\mu_B$ is $1: 2$. then the thickness of material, in meter is: (Given $v_A$ and $v_B$ are velocities of light in $A$ and $B$ materials respectively).

282099 The difference of speed of light in the two media $A$ and $B\left(v_A-v_B\right)$ is $2.6 \times 10^7 \mathrm{~m} / \mathrm{s}$. If the refractive index of medium $B$ is 1.47 , then the ratio of refractive index of medium $B$ to medium $A$ is : (Given : speed of light in vacuum $\mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}$ )

282100 Which of the following statement is correct?

282097 Consider a light ray travelling in air is incident into a medium of refractive index $\sqrt{2 n}$. The incident angle is twice that of refracting angle. Then, the angle of incidence will be

282098 Time taken by light to travel in two different materials $\mathbf{A}$ and $\mathbf{B}$ of refractive indices is $\mu_{\mathrm{A}}$ and $\mu_B$ of same thickness is $t_1$ and $t_2$ respectively. If $t_2-t_1=5 \times 10^{-10} \mathrm{~s}$ and the ratio of $\mu_A$ to $\mu_B$ is $1: 2$. then the thickness of material, in meter is: (Given $v_A$ and $v_B$ are velocities of light in $A$ and $B$ materials respectively).

282099 The difference of speed of light in the two media $A$ and $B\left(v_A-v_B\right)$ is $2.6 \times 10^7 \mathrm{~m} / \mathrm{s}$. If the refractive index of medium $B$ is 1.47 , then the ratio of refractive index of medium $B$ to medium $A$ is : (Given : speed of light in vacuum $\mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}$ )

282100 Which of the following statement is correct?

282097 Consider a light ray travelling in air is incident into a medium of refractive index $\sqrt{2 n}$. The incident angle is twice that of refracting angle. Then, the angle of incidence will be

282098 Time taken by light to travel in two different materials $\mathbf{A}$ and $\mathbf{B}$ of refractive indices is $\mu_{\mathrm{A}}$ and $\mu_B$ of same thickness is $t_1$ and $t_2$ respectively. If $t_2-t_1=5 \times 10^{-10} \mathrm{~s}$ and the ratio of $\mu_A$ to $\mu_B$ is $1: 2$. then the thickness of material, in meter is: (Given $v_A$ and $v_B$ are velocities of light in $A$ and $B$ materials respectively).

282099 The difference of speed of light in the two media $A$ and $B\left(v_A-v_B\right)$ is $2.6 \times 10^7 \mathrm{~m} / \mathrm{s}$. If the refractive index of medium $B$ is 1.47 , then the ratio of refractive index of medium $B$ to medium $A$ is : (Given : speed of light in vacuum $\mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}$ )

282100 Which of the following statement is correct?