JEE Main · PhysicsHard
Two polaroids have axes at $30^\circ$. A third polaroid is inserted at $45^\circ$ to the first. Initial intensity is $I_0$. Find final intensity $I_f$.
- A.3I0/16
- B.3I0/32
- C.I0/8
- D.I0/4
Show correct answer & step-by-step solution
Correct answer: B — 3I0/32
Solution
. . .
Attempt this question & track your score
Sign up free to answer, get instant scoring, and let SolveGini track which Physics topics you need to revise.
Attempt & Track Free →More Wave Optics practice questions
- In Youngs double slit experiment, the fringe width is given by beta equals lambda D divided by d. If the distance betwee
- Which of the following phenomena is used to explain the rectilinear propagation of light in the wave theory of light?
- What is the condition for constructive interference in terms of path difference delta x for light waves of wavelength la
- Brewsters law states that the tangent of the polarizing angle is equal to the refractive index of the medium. If the ref
- When light travels from a rarer medium to a denser medium, what happens to its frequency?
- In a Youngs double slit experiment, the distance between the slits is 0.1 mm and the screen is 1 m away. If the waveleng
- A beam of unpolarized light of intensity I passes through two polarizers. The first polarizer has its transmission axis
- In a single slit diffraction experiment, the width of the slit is 0.2 mm and the screen is 2 m away. If the wavelength o
- Two coherent sources of light have intensities in the ratio 16:1. If they interfere, what is the ratio of the maximum to
- At what angle of incidence should a light ray strike a glass plate of refractive index 1.5 so that the reflected light i
- In a Youngs double slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4 m away. The distance
- In a Michelson interferometer, one mirror is moved by 0.05 mm. If the wavelength of the light used is 500 nm, how many f