Diffraction is the tendency of light to:
A) spread around corners.
B) separate into its component colors.
C) bend through a lens.
D) disperse within a prism.
E) reflect off a mirror.
A
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Determine the rms current for the circuit
a.
55 mA
b.
77 mA
c.
99 mA
d.
0.19 A
e.
61 mA
Thin Films: A light beam with wavelength 500 nm is reflected constructively from a thin layer of oil having index of refraction 1.25. The oil floats on the top of water of index of refraction 1.33. What is the minimum thickness of the layer of oil?
A. 100 nm B. 150 nm C. 175 nm D. 200 nm E. 225 nm
What is the simplest way we might detect life on an extrasolar planet?
A) listen for radio signals coming from an advanced civilization on the planet B) wait for aliens from the planet to visit us C) analyze the spectrum of reflected light from the planet D) send an interstellar probe to the planetary system
A wire along the z-axis carries a current of 6.8 A in the +z direction. Find the magnitude and direction of the force exerted on a 6.1-cm long length of the wire by a uniform magnetic field with magnitude 0.36 T in the -x direction
What will be an ideal response?