MHT-CET Wave Optics — practice questions
29 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice MHT-CET Wave Optics in the app →**Huygens' principle** states that every point on a wavefront acts as a:Which of the following phenomena conclusively proves that **light is a transverse wave**?When light passes from one medium to another, which property remains **unchanged**?The **wavelength** of light of wavelength 600 nm in air becomes (in water, n = 1.33) approximately:When unpolarized light passes through a single ideal polarizer, the transmitted intensity is:**Malus' law** gives the transmitted intensity through a second polarizer as:**Brewster's angle** $\theta_B$ is the angle of incidence at which:Two sources are said to be **coherent** if they:In Young's double-slit experiment, fringes form when:In Young's double-slit experiment, the fringe width $w$ is given by:In Young's experiment, if the entire setup is immersed in a medium of refractive index $n$, the fringe width:Two slits 0.5 mm apart are illuminated with light of 600 nm. The fringes are observed on a screen 1 m away. ThLight of intensity $I_0$ passes through two polarizers whose axes make 60° with each other. The transmitted inBrewster's angle for light going from air (n=1) to glass (n=1.5) is approximately:The condition for **constructive interference** at a point in Young's double-slit experiment is that the path Light from a source passes through two polarizers whose axes are perpendicular (crossed). The intensity after In a single-slit Fraunhofer diffraction pattern, the first minimum occurs at angle $\theta$ satisfying:**Interference** differs from **diffraction** in that interference involves:Light of wavelength 500 nm is incident on a single slit of width 0.2 mm. The angular position of the first difThe **Rayleigh criterion** for the resolution of two point sources by a telescope states that two sources are A telescope objective has diameter 2.5 m. Its angular resolution at $\lambda = 5500$ Å is approximately:In Young's double-slit experiment, the intensities of the two coherent sources are in the ratio $4:1$. The ratUnpolarized light of intensity $I_0$ passes through three polarizers in succession. The axis of the second makA double-slit arrangement gives fringes 0.20° apart for sodium light ($\lambda = 589$ nm). If the whole setup In a single-slit diffraction setup, slit width 0.2 mm, screen distance 2 m. First minimum is observed at 5 mm White light (400–700 nm) passes through a glass of refractive index 1.55. The wavelength range observed in theA telescope mirror with diameter $D = 200$ inches observes a star emitting $\lambda = 5000$ Å. Its angular limTwo polaroids are kept with their polarising axes parallel; the transmitted intensity is $I$. One polaroid is The optical path of a 3 cm ray in flint glass (n = 1.6) equals that of an unknown medium (n = 1.25) over dista