The electrical resistivity of tantalum (Ta) at temperatures approaching 0 K is 1×10-8 ?·m, and at 150K it is 7×10-8 ?·m. Analytically predict the electrical resistivity of Ta at 295 K.
What will be an ideal response?
Physics & Space Science
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Which of the following effects is the result of the fact that the index of refraction of glass will vary with wavelength?
a. spherical aberration b. mirages c. chromatic aberration d. light scattering
Physics & Space Science
How many grams of U-235 must be fissioned every day to produce 1000 MW of electricity in a nuclear power plant that is 1/3 efficient? [Assume 208 MeV/fission and 1 MeV = 1.6 × 10^?13 J]
Physics & Space Science
A change in the direction of a wave when the wave finds an obstacle or an edge.
a) Refraction b) Standing wave c) Reflection d) Diffraction
Physics & Space Science
The closest object that a typical young person with normal vision can see clearly is closest to
A) 1 cm. B) 10 cm. C) 25 cm. D) 50 cm. E) 75 cm.
Physics & Space Science