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    • Nature and Propagation of Light
    • Diffraction of Light
    • Polarization of Light
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Question & Answers

Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

A parallel beam of unpolarized light in air is at an angle of 55° on a plane glass surface. If the reflected beam is completely plane-polarized, find the refractive index of the glass and the angle of the transmitted beam.

A parallel beam of unpolarized light in air is at an angle of 55° on a plane glass surface. If the reflected beam is completely plane-polarized, find the refractive index of the glass and the angle of the transmitted beam.

1 Answer
  • NEB2067S
  • numerical problem
  • refractive index of glass
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

Calculate the polarizing angle for the light traveling from the water of refractive index 1.33 to a glass of refractive index 1.53.

Calculate the polarizing angle for the light traveling from the water of refractive index 1.33 to a glass of refractive index 1.53.

1 Answer
  • NEB2070SETD
  • numerical problem
  • polarizing angle
  • refractive index of glass
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

The critical angle for light in a certain substance is 45°. Find the polarizing angle?

The critical angle for light in a certain substance is 45°. What is the polarizing angle?

1 Answer
  • NEB2070S
  • numerical problem
  • polarizing angle
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

A beam of light is incident at a polarizing angle on a piece of transparent material of refractive index 6.2. What is the angle of refraction for the transmitted beam?

A beam of light is incident at a polarizing angle on a piece of transparent material of refractive index 6.2. What is the angle of refraction for the transmitted beam?

1 Answer
  • NEB2071SETC
  • numerical problem
  • polarization of wave
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

The polarizing angle for a medium is 60°. Calculate the velocity of light in the medium.

The polarizing angle for a medium is 60°. Calculate the velocity of light in the medium.

1 Answer
  • NEB2072S
  • numerical problem
  • polarizing angle
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

Define polarization. Prove that the light is a transverse wave.

Define polarization. Prove that the light is a transverse wave.

1 Answer
  • light wave
  • NEB2073SETD
  • polarization of wave
  • transverse wave
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

The polarizing angle for a transparent medium is 60°. What is the refractive index of the medium?

The polarizing angle for a transparent medium is 60°. What is the refractive index of the medium?

1 Answer
  • NEB2068
  • numerical problem
  • polarizing angle
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

In which medium is the angle of polarization greater, rarer, or denser?

In which medium is the angle of polarization greater, rarer, or denser?

1 Answer
  • NEB2070S
  • polarizing angle
  • reasoning problem
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

State and explain Brewster’s law of polarization.

State and explain Brewster's law of polarization.

1 Answer
  • brewster's law
  • NEB2073SETD
Pathshala Nepal
2 years ago Grade -12 (NEB) > Science Physics Physical Optics, Polarization of Light

Are lightwaves longitudinal? Justify your answer.

Are lightwaves longitudinal? Justify your answer.

1 Answer
  • longitudional waves
  • NEB2073SETC
  • reasoning problem
  • 1
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