In the two-slit experiment, for the condition of dark fringes, the value of m = +4 corresponds to a path difference of
A) (1/2)?
B) (3/2)?
C) (5/2)?
D) (7/2)?
E) (9/2)?
D
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A. The divergence is positive. B. The divergence is negative. C. The divergence is zero.
When viewing your image in a hand-held mirror, if you move the mirror away at a speed v, the image appears to:
a. also move away at v. b. move away at 2v. c. move away at v/2. d. not move.
Consider a long thin straight wire with a current I. Which of the following statements about the magnetic field lines is true?
A. Field lines are parallel to the wire.
B. Field lines are perpendicular to the wire.
C. Field lines are directed radially away from the wire.
D. Field lines are circles centered on any point on the wire.
Compare and contrast tensile stress, compressive stress, and shear stress
What will be an ideal response?