Multiple Choice
A hologram is simply a
A) complex diffraction grating.
B) thin sheet of non-cubic transparent crystals.
C) pair of semi-crossed polarization filters.
D) thin photographic film with microscopic images over the entire surface.
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q14: Holograms employ the principle of<br>A)diffraction.<br>B)interference.<br>C)both of these<br>D)neither
Q15: Secondary wavelets spread from a wave with<br>A)reduced
Q16: According to Huygens' principle, every point on
Q17: For viewing tiny objects in a microscope,
Q18: The fanning out of waves upon passing
Q20: Diffraction is least when illumination is with<br>A)red
Q21: Light from two closely-spaced stars cannot produce
Q22: A pair of crossed Polaroids will transmit
Q23: Monochromatic light is light of a single<br>A)wavelength.<br>B)frequency.<br>C)color.<br>D)all
Q24: A thin film appears yellow when illuminated