If a beam of blue light has a wavelength of 400 nm is emitted by an object moving away from you at 1% of the speed of light, what wavelength would you see from this light?
A) 396 nm
B) 399 nm
C) 400 nm
D) 401 nm
E) 404 nm
A
You might also like to view...
Magnetic Field of a Current Loop: A flat circular coil having 57 turns of very thin wire has a diameter of 9.5 cm and carries 7.2 A of current. (?0 = 4? × 10-7 T ? m/A)(a) What is the strength of the magnetic field at the center of the coil?(b) If the same length of wire were used to make a coil with twice the original diameter, how large would the magnetic field at the center be when it carried the same current as before?
What will be an ideal response?
What is thought to have caused the craters on Venus?
A) Most are volcanic in origin; some are due to meteoritic impacts. B) As in the case of Mercury, all the craters are due to meteorite impacts. C) Because meteorites cannot survive passing through the atmosphere of Venus, all craters must be volcanic. D) Venus has very few craters and their origin is not known. E) Venus' craters originated during differentiation.
If an R = 1.0-k? resistor, a C = 1.0-?F capacitor, and an L = 0.20-H inductor are connected in series with a V = 150 sin (377t) volts source, what is the maximum current delivered by the source?
a. 0.007 0 A b. 27 mA c. 54 mA d. 0.31 A e. 0.34 A
The surface temperature of a white dwarf is higher than the surface temperature of the Sun.
Answer the following statement true (T) or false (F)