The Snell law is applicable for perpendicular polarisation and the Brewster law is applicable for parallel polarisation. State True/False. a) True b) False

The Snell law is applicable for perpendicular polarisation and the Brewster law is applicable
for parallel polarisation. State True/False.
a) True
b) False
by

1 Answer

Answer :

a) True
by

Related questions

Brewster angle is valid for which type of polarisation? a) Perpendicular b) Parallel c) S polarised d) P polarised

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Last Answer : b) Parallel

In S polarisation, the electric field lies in the plane perpendicular to that of the interface. State True/False a) True b) False

Description : In S polarisation, the electric field lies in the plane perpendicular to that of the interface. State True/False a) True b) False

Last Answer : a) True

The Brewster angle is valid for which type of polarisation? a) S polarised b) P polarised c) Elliptical d) Linear

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

For a non-zero Ex component and zero Ey component, the polarisation is a) Parallel b) Perpendicular c) Elliptical d) Circular

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An elliptically polarised wave transmitted at the Brewster angle will be received as an elliptically polarised wave. State True/False a) True b) False

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Last Answer : b) False

A circularly polarised wave transmitted at the Brewster angle will be received as linearly polarised wave. State True/False a) True b) False

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The magnitude of the Ex and Ey components are same in which type of polarisation? a) Linear b) Circular c) Elliptical d) Perpendicular

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Last Answer : b) Circular

When the phase angle between the Ex and Ey component is 0 0 or 180 0 , the polarisation is a) Elliptical b) Circular c) Linear d) Perpendicular

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In P polarisation, the electric field lies in the same plane as the interface. State True/False. a) True b) False

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Identify the polarisation of the wave given that, Ex = 2 sin wt and Ey = 3 sin wt. a) Linear b) Elliptical c) Circular d) Parallel

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Last Answer : a) Linear

Identify the polarisation of the wave given that, Ex = 2 cos wt and Ey = cos wt. a) Elliptical b) Circular c) Parallel d) Linear

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When the Ex and Ey components of a wave are not same, the polarisation will be a) Linear b) Elliptical c) Circular d) Parallel

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The Brewster angle is the angle of a) Incidence b) Reflection c) Refraction d) Transmission

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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

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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

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The transmission coefficient of a wave propagating in the Brewster angle is a) 0 b) 1 c) -1 d) Infinity

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The reflection coefficient in the wave propagation when it is transmitted with the Brewster angle is a) 0 b) 1 c) -1 d) Infinity

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The Brewster angle is expressed as a) Tan -1 (n) b) Tan -1 (n1/n2) c) Tan -1 (n2/n1) d) Tan (n)

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The torque of a conductor is defined only in the case when a) The field is perpendicular to the loop b) The plane of the loop is parallel to the field c) The plane of the loop is perpendicular to the current direction d) The field and the current direction are same

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Curie-Weiss law is applicable to which of the following materials? a) Piezoelectric b) Ferroelectric c) Pyroelectric d) Anti-ferroelectric

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When gradient of a function is zero, the function lies parallel to the x-axis. State True/False. a) True b) False

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When the polarisation of the receiving antenna is unknown, to ensure that it receives atleast half the power, the transmitted wave should be a) Linearly polarised b) Elliptically polarised c) Circularly polarised d) Normally polarised

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Identify the polarisation of the wave given, Ex = cos wt and Ey = sin wt. The phase difference is -90 0 . a) Left hand circularly polarised b) Right hand circularly polarised c) Left hand elliptically polarised d) Right hand elliptically polarised

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Identify the polarisation of the wave given, Ex = 2 cos wt and Ey = 2 sin wt. The phase difference is +90 0 . a) Left hand circularly polarised b) Right hand circularly polarised c) Left hand elliptically polarised d) Right hand elliptically polarised

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Identify the polarisation of the wave given, Ex = 2 cos wt and Ey = sin wt. The phase difference is -90 0 . a) Left hand circularly polarised b) Right hand circularly polarised c) Left hand elliptically polarised d) Right hand elliptically polarised

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Identify the polarisation of the wave given, Ex = Exo cos wt and Ey = Eyo sin wt. The phase difference is +90 0 . a) Left hand circularly polarised b) Right hand circularly polarised c) Left hand elliptically polarised d) Right hand elliptically polarised

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The charge build up in a capacitor is due to a) Conduction current density b) Displacement current density c) Polarisation d) Magnetization

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When a dielectric loses its dielectric property, the phenomenon is called a) Dielectric loss b) Dielectric breakdown c) Polarisation d) Magnetization

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Solids do not have which type of polarisation? a) Ionic b) Orientational c) Interfacial d) Electronic

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Calculate the polarisation vector in air when the susceptibility is 5 and electric field is 12 units. a) 3 b) 2 c) 60 d) 2.4

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Calculate the energy stored per unit volume in a dielectric medium due to polarisation when P = 9 units and E = 8 units. a) 1.77 b) 2.25 c) 36 d) 144

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Calculate the polarisation vector of the material which has 100 dipoles per unit volume in a volume of 2 units. a) 200 b) 50 c) 400 d) 0.02

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The best definition of polarisation is a) Orientation of dipoles in random direction b) Electric dipole moment per unit volume c) Orientation of dipole moments d) Change in polarity of every dipole

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Superconductors exhibit which of the following properties? a) Ferromagnetism b) Polarisation c) Diamagnetism d) Ferrimagnetism

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Dipole moments are used to calculate the a) Electric field intensity b) Polarisation patterns c) Strength of the dipole in the field d) Susceptibility

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Dipoles in any electric field undergo a) Magnetism b) Electromagnetism c) Magnetisation d) Polarisation

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On equating the generic form of current density equation and the point form of Ohm’s law, we can obtain V=IR. State True/False. a) True b) False

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The point form of Gauss law is given by, Div(V) = ρv State True/False. a) True b) False

Description : The point form of Gauss law is given by, Div(V) = ρv State True/False. a) True b) False

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Coulomb’s law can be derived from Gauss law. State True/ False a) True b) False

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Gauss law for electric field uses surface integral. State True/False a) True b) False

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The divergence concept can be illustrated using Pascal’s law. State True/False. a) True b) False

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The vectors of the electromagnetic wave propagation can be expressed in a) Dot product b) Cross product c) Unit vector d) Perpendicular vector

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Find the potential due the dipole when the angle subtended by the two charges at the point P is perpendicular. a) 0 b) Unity c) ∞ d) -∞

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In electromagnetic waves, the electric field will be perpendicular to which of the following? a) Magnetic field intensity b) Wave propagation c) Both H and wave direction d) It propagates independently

Description : In electromagnetic waves, the electric field will be perpendicular to which of the following? a) Magnetic field intensity b) Wave propagation c) Both H and wave direction d) It propagates independently

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