Q.1
Light utilization efficiency of prism and grating respectively is _________
  • a) High and High
  • b) High and Low
  • c) Low and High
  • d) Low and Low
Q.2
Wavelength dependency for dispersion is constant for a prism.
  • a) True
  • b) False
Q.3
The spectrum observed for a grating is much purer than a prism.
  • a) True
  • b) False
Q.4
The relationship between the angle of diffraction of violet, θv, and the angle of diffraction for red, θr, for a grating, is ________
  • a) θv > θr
  • b) θv < θr
  • c) θv = θr
  • d) No relationship
Q.5
How many spectrums can be achieved by grating and a prism respectively?
  • a) 1 and 1
  • b) More than 1 and 1
  • c) 1 and More than 1
  • d) More than 1 and More than 1
Q.6
The wavelength range for a grating is _______
  • a) 200 nm – 400 nm
  • b) 400 nm – 800 nm
  • c) 800 nm – 1200 nm
  • d) 200 – 800 nm
Q.7
The phenomenon used for obtaining grating spectra is diffraction. Which phenomenon is used for obtaining prism spectra?
  • a) Diffraction
  • b) Interference
  • c) Scattering
  • d) Dispersion
Q.8
Identify X and Y.
Questionengineering-physics-ii-questions-answers8.jpg
  • a) X: Grating Y: Prism
  • b) X: Prism Y: Grating
  • c) X: Grating Y: Slit
  • d) X: Slit Y: Grating
Q.9
Which of the following lines represent the resolution of a prism?
Questionengineering-physics-ii-questions-answers9.jpg
  • a) X
  • b) Y
  • c) Z
  • d) None
Q.10
Do the spectra observed by grating and prism depends on the nature of the material?
  • a) Yes for both
  • b) Yes for grating
  • c) Yes for prism
  • d) No for both
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