One way that you can demonstrate for yourself that light is a wave is to observe the pattern formed at your eye by light that passes through a narrow slit formed between your fingers. This experiment is based on the phenomenon known as
A) wave interference.
B) the Doppler effect.
C) resonance.
D) wave reflection.
E) wave refraction.
A
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Thin Films: A soap bubble with air on both sides has an index of refraction of 1.33. What minimum thickness of the wall of this bubble will ensure maximum reflectance of normally incident light having a wavelength of 530 nm?
Fill in the blank(s) with the appropriate word(s).
Relatively long duration gamma-ray bursts are produced by:
A) novae. B) supernovae. C) hypernovae. D) neutron star mergers. E) black hole mergers.
A 12-kg projectile is launched with an initial vertical speed of 20 m/s. It rises to a maximum height of 18 m above the launch point. What is the change in mechanical energy caused by the dissipative (air) resistive force on the projectile during this ascent?
A. ?0.64 kJ B. ?0.40 kJ C. ?0.52 kJ D. ?0.28 kJ E. ?0.76 kJ
The deepest depression found on the surface of Mars is the
A) Caloris basin. B) Hellas Basin. C) Valles Marineris rift. D) Mare Crisium. E) Mariana Trench.