A 120-m long metal wire having a resistivity of 1.68 × 10-8 ? ? m has a resistance of 6.0 ?. What is the diameter of the wire?
A) 0.065 mm
B) 0.65 mm
C) 0.65 cm
D) 0.65 m
B
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Monatomic, diatomic, and polyatomic ideal gases each undergo slow adiabatic expansions from the same initial volume and the same initial pressure to the same final volume. The magnitude of the work done by the environment on the gas:
A. is greatest for the polyatomic gas B. is greatest for the diatomic gas C. is greatest for the monatomic gas D. is the same only for the diatomic and polyatomic gases E. is the same for all three gases
Henrietta Leavitt's period-luminosity relation for ________ indicates that longer periods mean more luminosity
Fill in the blank(s) with correct word
The intricate patterns visible in an X-ray image of the Sun generally show ________
A) structure within sunspots B) a bubbling pattern on the photosphere C) helioseismological fluctuations D) extremely hot plasma flowing along magnetic field lines
Contrast open and globular star clusters
What will be an ideal response?