Light Light Diffraction, Law of Reflection, Dispersion, Polarization, Snell’s law 1 / 10 Which phenomenon of light demonstrates its wave nature? Photoelectric Effect Diffraction Blackbody Radiation Compton Effect 2 / 10 Which law states that the angle of incidence is equal to the angle of reflection? Snell’s Law Brewster’s Law Law of Reflection Huygens’ Principle 3 / 10 Which phenomenon explains the splitting of white light into its constituent colors? Dispersion Diffraction Polarization Interference 4 / 10 What is the term for the bending of light as it passes from one medium to another? Diffraction Reflection Refraction Scattering 5 / 10 Which phenomenon occurs when light waves oscillate in a single plane? Interference Polarization Diffraction Scattering 6 / 10 A ray of light passes from air into water (n=1.33) at an angle of incidence of 30∘. What is the angle of refraction? (Use Snell’s law: n1sinθ1=n2sinθ2). 22.1∘ 19.5∘ 24.6∘ 27.3∘ 7 / 10 The refractive index of a medium is 1.51.51.5. If the speed of light in a vacuum is 3×108 m/s3 times 10^8 , text{m/s}3×108m/s, what is the speed of light in the medium? 2.0×10^8m/s 2.5×10^8m/s 1.5×10^8m/s 3.0×10^8m/s 8 / 10 A convex lens has a focal length of 20 cm^2. What is the power of the lens? (Power P is given by P=100/f, where f is in cm.) +2.0D +5.0D +10.0D +20.0D 9 / 10 A double-slit experiment produces an interference pattern with light of wavelength 500 nm. If the slit separation is 0.1 mm and the screen is 2 m away, what is the fringe spacing? (Use Δy=λD/d). 1.0mm 10.0mm 5.0mm 2.0mm 10 / 10 A plane mirror is moved 5 cm closer to an object. By how much does the distance between the object and its image change? 5cm 20cm 15cm 10cm Your score is By WordPress Quiz plugin
