Physics · 2023
JEE Main · 10 April 2023, Shift 1 · Q57
Unpolarised light of intensity 32 Wm^-2 passes through the combination of three polaroids such that the pass axis of the last polaroid is…
Unpolarised light of intensity $\displaystyle 32 \mathrm{Wm}^{-2}$ passes through the combination of three polaroids such that the pass axis of the last polaroid is perpendicular to that of the pass axis of first polaroid. If intensity of emerging light is $\displaystyle 3 \mathrm{Wm}^{-2}$, then the angle between pass axis of first two polaroids is $\displaystyle \_\_\_\_ { }^{\circ}$.
Official answer
From NTA’s final answer key for this paper.
30 or 60NTA’s answer key accepts either.
More from Wave Optics
- ' n ' polarizing sheets are arranged such that each makes an angle 45^° with the preceeding sheet. An unpolarized light of intensity I is incident…2023
- If the measured angular separation between the second minimum to the left of the central maximum and the third minimum to the right of the central…2025
- In interference experiment the path difference between two interfering waves at a point A on the screen is λ / 3, where λ is the wavelength of these…2026
- A monochromatic light wave with wavelength λ_1 and frequency ν_1 in air enters another medium. If the angle of incidence and angle of refraction at…2023
- As shown in the figure, in Young's double slit experiment, a thin plate of thickness t=10 μ m and refractive index μ=1.2 is inserted infront of slit…2023
- Given below are two statements: Statement I: In a Young's double slit experiment, the angular separation of fringes will increase as the screen is…2026
- Two waves of intensity ratio 1:9 cross each other at a point. The resultant intensities at that point, when Waves are incoherent is I_1 Waves are…2024
- The width of one of the two slits in a Young's double slit experiment is 4 times that of the other slit. The ratio of the maximum of the minimum…2024
JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.