Optics

Q. Which of the following materials is known to exhibit polarization?
  • A. Glass
  • B. Water
  • C. Air
  • D. Vacuum
Q. Which of the following phenomena is a direct result of diffraction?
  • A. Interference
  • B. Polarization
  • C. Refraction
  • D. Reflection
Q. Which of the following phenomena is NOT a result of total internal reflection?
  • A. Mirage
  • B. Fiber optics
  • C. Rainbows
  • D. Prism dispersion
Q. Which of the following phenomena is NOT explained by wave optics?
  • A. Interference
  • B. Diffraction
  • C. Polarization
  • D. Photoelectric effect
Q. Which of the following phenomena is responsible for the formation of a rainbow?
  • A. Reflection
  • B. Refraction
  • C. Diffraction
  • D. Interference
Q. Which of the following statements about a convex lens is true?
  • A. It can only produce real images.
  • B. It can only produce virtual images.
  • C. It can produce both real and virtual images.
  • D. It has a negative focal length.
Q. Which of the following statements about circularly polarized light is true?
  • A. It has no preferred direction of oscillation
  • B. It oscillates in a single plane
  • C. It can be converted to linearly polarized light
  • D. It is always produced by reflection
Q. Which of the following statements about diffraction gratings is true?
  • A. They can only produce first-order maxima
  • B. They can produce multiple orders of maxima
  • C. They do not produce any maxima
  • D. They only work with monochromatic light
Q. Which of the following statements about diffraction is true?
  • A. Diffraction can occur with any type of wave
  • B. Diffraction only occurs with sound waves
  • C. Diffraction is only observed in light waves
  • D. Diffraction is a phenomenon exclusive to electromagnetic waves
Q. Which of the following statements about lenses is true?
  • A. Concave lenses converge light rays
  • B. Convex lenses diverge light rays
  • C. Concave lenses produce virtual images
  • D. Convex lenses have negative focal lengths
Q. Which of the following statements about polarized light is true?
  • A. It can pass through any material without obstruction
  • B. It vibrates in multiple planes
  • C. It vibrates in a single plane
  • D. It has a higher speed than unpolarized light
Q. Which of the following statements about total internal reflection is true?
  • A. It can occur at any angle of incidence
  • B. It requires a denser medium to be on the incident side
  • C. It can occur when light travels from air to water
  • D. It is a phenomenon exclusive to optical fibers
Q. Which of the following statements is true about a diverging lens?
  • A. It always produces real images
  • B. It has a positive focal length
  • C. It causes parallel rays to diverge
  • D. It can focus light to a point
Q. Which of the following statements is true for a converging lens?
  • A. It can only form real images.
  • B. It can only form virtual images.
  • C. It can form both real and virtual images.
  • D. It cannot form images.
Q. Which of the following statements is true for a convex lens?
  • A. It can produce only real images.
  • B. It can produce only virtual images.
  • C. It can produce both real and virtual images.
  • D. It has a negative focal length.
Q. Which of the following statements is true for a diverging lens?
  • A. It always forms real images
  • B. It can form virtual images
  • C. It has a positive focal length
  • D. It converges light rays
Q. Which of the following statements is true regarding total internal reflection?
  • A. It occurs when light travels from a denser to a rarer medium.
  • B. It occurs when light travels from a rarer to a denser medium.
  • C. It can occur at any angle.
  • D. It requires a prism.
Q. Which phenomenon describes the splitting of light into two rays upon entering a birefringent material?
  • A. Refraction
  • B. Reflection
  • C. Double refraction
  • D. Diffraction
Q. Which phenomenon explains the formation of a rainbow?
  • A. Reflection
  • B. Refraction
  • C. Diffraction
  • D. Interference
Q. Which phenomenon explains the polarization of light by scattering?
  • A. Refraction
  • B. Reflection
  • C. Diffraction
  • D. Rayleigh scattering
Q. Which phenomenon is responsible for the blue color of the sky?
  • A. Refraction
  • B. Reflection
  • C. Scattering
  • D. Polarization
Q. Which type of diffraction pattern is produced by a circular aperture?
  • A. Single-slit pattern
  • B. Double-slit pattern
  • C. Airy pattern
  • D. Newton's rings
Q. Which type of lens is used to correct hyperopia (farsightedness)?
  • A. Concave lens
  • B. Convex lens
  • C. Bifocal lens
  • D. Cylindrical lens
Q. Which type of light is typically not polarized?
  • A. Natural light
  • B. Laser light
  • C. Reflected light
  • D. Light from a LED
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