Physics · 2023
JEE Main · 13 April 2023, Shift 1 · Q44
A vessel of depth 'd' is half filled with oil of refractive index n_1 and the other half is filled with water of refractive index n_2. The apparent…
A vessel of depth 'd' is half filled with oil of refractive index $\displaystyle \mathrm{n}_1$ and the other half is filled with water of refractive index $\displaystyle \mathrm{n}_2$. The apparent depth of this vessel when viewed from above will be-
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \frac{d\left(n_1+n_2\right)}{2 n_1 n_2}$
More from Ray Optics
- A convex lens of refractive index 1.5 and focal length f=18 cm is immersed in water. The difference in focal lengths of the given lens when it is in…2026
- A biconvex lens is formed by using two thin planoconvex lenses, as shown in the figure. The refractive index and radius of curved surfaces are also…2026
- For a transparent prism, if the angle of minimum deviation is equal to its refracting angle, the refractive index n of the prism satisfies.2026
- A slanted object AB is placed on one side of convex lens as shown in the diagram. The image is formed on the opposite side. Angle made by the image…2025
- A biconvex lens of refractive index 1.5 has a focal length of 20 cm in air. Its focal length when immersed in a liquid of refractive index 1.6 will…2024
- Distance between object and its image (magnified by -1/3 ) is 30 cm. The focal length of the mirror used is (x/4) cm, where magnitude of value of x…2025
- A ray of light passing through an equilateral prism is having velocity 2.12 × 10^8 m / s in the prism material, then the minimum angle of deviation…2026
- One side of an equilateral prism is painted by a transparent material of refractive index n_2. The refractive index of prism is 1.6. The minimum…2026
JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.