Thin film interference is responsible for the colors of
a. bird feathers c. soap bubbles
b. gasoline spills d. all of the above
D
You might also like to view...
A straight wire carries a current of 40 A in a uniform magnetic field (magnitude = 80 mT). If the force per unit length on this wire is 2.0 N/m, determine the angle between the wire and the magnetic field
a. either 39° or 141° b. either 25° or 155° c. either 70° or 110° d. either 42° or 138° e. either 65° or 115°
Which of the following provides evidence to support models of how fusion occurs in the Sun's core?
A) solar neutrinos B) solar flares C) Sun spots D) x-ray observations E) careful study of the Sun's atmospheric structure
Mass is transferred from a normal star in a close binary system toward a white dwarf. The material that is transferred to the white dwarf forms a rapidly growing whirlpool of material known around the white dwarf known as a(n)
a. accretion disk. b. Lagrangian point. c. Algol paradox. d. planetary nebula. e. supernova remnant.
Suppose you know the frequency of a photon and the speed of light. What else can you determine about the photon?
A) its wavelength and energy B) its temperature C) its acceleration D) the chemical composition of the object that emitted it