Description : Stereo was invented by ________. (1) John Barber (2) Tim Berners-Lee (3) Alan Blumlein (4) David Brewster
Last Answer : (3) Alan Blumlein Explanation: Modern stereophonic technology was invented in the 1930s by British engineer Alan Blumlein at Electric and Musical Industries in London.
Description : The Brewster angle is valid for which type of polarisation? a) S polarised b) P polarised c) Elliptical d) Linear
Last Answer : b) P polarised
Description : The Snell law is applicable for perpendicular polarisation and the Brewster law is applicable for parallel polarisation. State True/False. a) True b) False
Last Answer : a) True
Description : The Brewster angle is the angle of a) Incidence b) Reflection c) Refraction d) Transmission
Last Answer : a) Incidence
Description : Find the ratio of refractive index of medium 2 to that of medium 1, when the Brewster angle is 60 degree. a) 0.707 b) 1.5 c) 0.866 d) 1.732
Last Answer : d) 1.732
Description : Find the Brewster angle of a wave transmitted from a medium of permittivity 4 to a medium of permittivity 2. a) 35.26 b) 53.62 c) 26.35 d) 62.53
Last Answer : a) 35.26
Description : An elliptically polarised wave transmitted at the Brewster angle will be received as an elliptically polarised wave. State True/False a) True b) False
Last Answer : b) False
Description : A circularly polarised wave transmitted at the Brewster angle will be received as linearly polarised wave. State True/False a) True b) False
Description : The transmission coefficient of a wave propagating in the Brewster angle is a) 0 b) 1 c) -1 d) Infinity
Last Answer : b) 1
Description : The reflection coefficient in the wave propagation when it is transmitted with the Brewster angle is a) 0 b) 1 c) -1 d) Infinity
Last Answer : a) 0
Description : The Brewster angle is expressed as a) Tan -1 (n) b) Tan -1 (n1/n2) c) Tan -1 (n2/n1) d) Tan (n)
Last Answer : c) Tan -1 (n2/n1)
Description : Brewster angle is valid for which type of polarisation? a) Perpendicular b) Parallel c) S polarised d) P polarised
Last Answer : b) Parallel
Description : There are three commonly detectable points of zero polarization of diffuse sky radiation, neutral points, lying along the vertical circle through the sun. Which of the following is NOT one of these points? Is it the: w) Arago Point x) Babinet Point y) Brewster Point z) Longfellow Point
Last Answer : ANSWER: Z -- LONGFELLOW POINT
Description : Brewster Angle occurs for (A) Vertical polarization (B) Horizontal polarization (C) Circular polarization (D) None of the above
Last Answer : Brewster Angle occurs for Vertical polarization