The distortion of the FCC unit cell to a tetragonal unit cell after quenching a carbon steel from 800°C to room temperature is the _____________distortion.
Fill in the blank(s) with the appropriate word(s).
Bain
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A totally absorbing surface having an area of 7.7 cm2 faces a small source of sinusoidal electromagnetic radiation that is 2.4 m away
At the surface, the electric field amplitude of the radiation is 84 V/m. (c = 3.00 × 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2) (a) What is the radiation pressure exerted on the surface? (b) What is the total power output of the source, if it is assumed to radiate uniformly in all directions?
The motion of a Foucault pendulum proves that Earth is
a. rotating. b. revolving. c. precessing. d. an oblate spheroid.
The proper motion of a star is its true velocity through space
Indicate whether the statement is true or false
The near point of a farsighted person's uncorrected eyes is 80 cm. What power contact lens should be used to move the near point to 25 cm from this person's eyes?
A) 2.8 diopters B) -2.8 diopters C) -4.0 diopters D) -4.2 diopters E) 4.2 diopters