Polarization

Q. If the angle between the transmission axis of two polarizers is 90 degrees, what is the intensity of light passing through them?
  • A. Maximum intensity
  • B. Half of the original intensity
  • C. Zero intensity
  • D. Equal to the intensity of the first polarizer
Q. If the angle between the transmission axis of two polarizers is 90 degrees, what is the transmitted intensity of light?
  • A. Maximum intensity
  • B. Half of the original intensity
  • C. Zero intensity
  • D. One-fourth of the original intensity
Q. If two polarizers are oriented at 90 degrees to each other, what will be the intensity of light passing through them?
  • A. Maximum intensity
  • B. Half of the original intensity
  • C. Zero intensity
  • D. The same as the first polarizer
Q. If two polarizers are placed at 90 degrees to each other, what will be the intensity of light passing through them?
  • A. Equal to the intensity of the first polarizer
  • B. Half of the intensity of the first polarizer
  • C. Zero
  • D. Equal to the intensity of the second polarizer
Q. If unpolarized light passes through a polarizer, what fraction of the light intensity is transmitted?
  • A. 0%
  • B. 25%
  • C. 50%
  • D. 100%
Q. If unpolarized light passes through a polarizer, what is the intensity of the transmitted light?
  • A. Zero
  • B. Half of the original intensity
  • C. Equal to the original intensity
  • D. Twice the original intensity
Q. If unpolarized light passes through a polarizer, what percentage of the light intensity will emerge?
  • A. 0%
  • B. 25%
  • C. 50%
  • D. 100%
Q. If unpolarized light passes through two polarizers, what is the maximum intensity of light transmitted?
  • A. Zero
  • B. Half of the original intensity
  • C. Equal to the original intensity
  • D. Dependent on the angle between the polarizers
Q. In which of the following scenarios does light become polarized by reflection?
  • A. When it passes through a prism
  • B. When it reflects off a smooth surface at a specific angle
  • C. When it travels through a foggy medium
  • D. When it is diffracted through a narrow slit
Q. In which of the following scenarios does light become polarized?
  • A. When it passes through a prism
  • B. When it reflects off a non-metallic surface
  • C. When it travels through a vacuum
  • D. When it diffracts through a slit
Q. In which of the following scenarios is light most likely to be polarized?
  • A. When it passes through a prism
  • B. When it reflects off a smooth surface
  • C. When it travels through a vacuum
  • D. When it diffracts through a narrow slit
Q. In which of the following scenarios is light polarized?
  • A. Light from a candle
  • B. Light from a laser
  • C. Light from an incandescent bulb
  • D. Light from a fluorescent lamp
Q. In which scenario is light most likely to be polarized?
  • A. When it passes through a prism
  • B. When it reflects off a lake
  • C. When it travels through air
  • D. When it passes through a lens
Q. What happens to the intensity of light when it passes through two polarizers aligned at 90 degrees to each other?
  • A. It doubles
  • B. It halves
  • C. It becomes zero
  • D. It remains the same
Q. What happens to the intensity of light when it passes through two polarizers at an angle of 45 degrees?
  • A. It is halved
  • B. It is quartered
  • C. It remains the same
  • D. It doubles
Q. What happens to the light intensity when it passes through two crossed polarizers?
  • A. It doubles
  • B. It is halved
  • C. It becomes zero
  • D. It remains the same
Q. What happens to the light intensity when it passes through two polarizers aligned at an angle of 30 degrees?
  • A. It remains the same
  • B. It is halved
  • C. It is reduced to one-fourth
  • D. It is reduced to three-fourths
Q. What happens to the polarization of light when it passes through a polarizer at an angle of 45 degrees?
  • A. It becomes unpolarized
  • B. It is completely absorbed
  • C. It is partially polarized
  • D. It is fully polarized
Q. What is Brewster's angle for a medium with a refractive index of 1.5?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 53 degrees
Q. What is Brewster's angle?
  • A. The angle at which light is completely absorbed
  • B. The angle at which light is reflected with maximum polarization
  • C. The angle at which light refracts without any reflection
  • D. The angle at which light travels fastest
Q. What is the angle of incidence at which light is completely polarized upon reflection?
  • A. 0 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. Brewster's angle
Q. What is the Brewster's angle for a medium with a refractive index of 1.5?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 53 degrees
Q. What is the Brewster's angle for light entering a medium with a refractive index of 1.5?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 53 degrees
Q. What is the Brewster's angle for light traveling from air (n1 = 1) to glass (n2 = 1.5)?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 53 degrees
Q. What is the Brewster's angle?
  • A. The angle at which light is completely absorbed
  • B. The angle at which light is reflected with maximum polarization
  • C. The angle at which light refracts without any reflection
  • D. The angle at which light intensity is halved
Q. What is the condition for light to be completely polarized by reflection?
  • A. Angle of incidence equals angle of refraction
  • B. Angle of incidence equals Brewster's angle
  • C. Angle of incidence is 45 degrees
  • D. Light must be monochromatic
Q. What is the condition for light to be polarized by reflection?
  • A. Angle of incidence equals angle of refraction
  • B. Angle of incidence equals Brewster's angle
  • C. Angle of incidence is 45 degrees
  • D. Light must be monochromatic
Q. What is the effect of a quarter-wave plate on polarized light?
  • A. It reflects the light
  • B. It changes the polarization direction
  • C. It converts linearly polarized light to circularly polarized light
  • D. It absorbs the light
Q. What is the effect of a second polarizer oriented at 90 degrees to the first polarizer on the transmitted light intensity?
  • A. It increases the intensity
  • B. It decreases the intensity to zero
  • C. It has no effect
  • D. It doubles the intensity
Q. What is the effect of a second polarizer oriented at 90 degrees to the first?
  • A. No light passes through
  • B. All light passes through
  • C. Half of the light passes through
  • D. Light intensity doubles
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