A puddle of water (n = 1.33) is covered with a very thin layer of oil (n = 1.20). How thick is the oil in the region that strongly reflects light with a wavelength of 531 nm?
a. 111 nm
b. 221 nm
c. 443 nm
d. 295 nm
e. 239 nm
b
You might also like to view...
A rocket engine consumes 450 kg of fuel per minute. If the exhaust speed of the ejected fuel is 5.2 km/s, what is the thrust of the rocket?
A. 42 kN B. 39 kN C. 45 kN D. 48 kN E. 35 kN
A certain glass window reduces the intensity level of the sound from 72 dB to 47 dB. By what factor is the acoustic power reduced by this glass window?
A) 3.2 × 10-3 B) 2.2 × 10-2 C) 5.6 × 10-2 D) 1.0 × 10-1 E) 1.5 × 10-1
Process of Science: Devise an experiment that would produce evidence (not necessarily proof) that Earth is round. You may use any technology you like, but you may not leave Earth (i.e., no satellite photos and no space travel)
Be as creative as you like there are many right answers.
What types of rocks are representative of the principle of original horizontality? Why?
What will be an ideal response?