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Light passes through material A which has a refractive index of 1.05, to material B at 60' with respect to the surface. It refracted at 20 from the normal. What is the refractive index of material B? 241 1.53 266 1.39 Which among the following is NOT TRUE about refractive indices of materials? O implies how dense a materials is a ratio of speed of light in vacuum and speed of light in matter 10 it is unitless O implies how reflective a substance isWhich of the following is the correct schematic diagram based on the description below? R1 and R5 are in parallel with R2, which is in series with R3 and R4. A switch is connected before R1 and R4 is a lamp. U O OOWhich of the following words will complete the analogy? Bending of light is to refraction: separation of light is to O dispersion total internal reflection polarization O reflection If R1= 1000, R2=500, and R3=500, and and V1 = 10 V. how much is the totalAs light travels from diamond to air, which among the following is correct? * the light is traveling from less dense to denser medium O refracted angle will be less than the incident angle 2 R O refracted ray will bend away from the normal line the speed of light will decrease How is the wave speed and the refractive index related to one another?* they are indirectly proportional they are conversely proportional they are inversely proportional 3 they are directly proportionalIf resistors 1, 2, and 3 have a resistance of 20 each and the individual current is 2A, how much is the total voltage? 13 10V 12V 16V 18V Correct answer not foundWhich among the following precedes the occurence of refraction?* at least three media of different densities O one dense medium O two dense media O at least two media of different densitiesWhich among the following CORRECTLY relates frequency, period and energy of a wave? O The shorter the wavelengths and higher the frequency corresponds with greater 4 energy O The shorter the wavelengths and lower the frequency corresponds with greater energy O The longer the wavelengths and higher the frequency corresponds with greater energy The longer the wavelength and lower the frequency corresponds with greater energy Which among the statements is INCORRECT about colors and wavelength? 5 Violet light has a shorter wavelength than blue light Blue light has a higher frequency than yellow light. Orange light has greater energy than violet light. Red light has a longer wavelength than green lightIf R1= 1000, R2-500, and R3-500, and and V1 = 10 V, how much is the tote current? R 3 R1 12 + 0.45 A 0.50 A O 0.79 A 100 AIf RT= 1000, R2-500, and R3-500, and the total current is 2A, how much is current in resistor 2? R3 R, R1 05 A 10A )15A Q 20A Correct answer not found 7:09 PMBased on the figure below, if R1 = 5 ohms, R2 = 1 ohm, R3 = 4 ohms, R4 = 2 ohms, and R5 = 3 ohms, how much is the total resistance? R1 R2 R4 R5 R3 O 5.97 ohms 6 48 ohms O 7.55 ohms 7:10 PM 5/15/2023