How does distance between particles and particle motion change as a solid substance becomes a gas?
What will be an ideal response?
Ans: Distance between particles and particle motion change as a solid substance becomes a gas because they get farther apart.
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Photon Momentum: If the wavelength of a light beam is doubled, what happens to the momentum of the photons in that light beam?
A. It is halved. B. It stays the same. C. It is doubled. D. It is reduced by one-fourth of its original value. E. It is increased to four times its original value.
Because a refrigerator operates by a motor, leaving the refrigerator door open for hours in a closed room
A) increases room temperature. B) decreases room temperature. C) doesn't affect room temperature.
A circular coil with 600 turns has a radius of 15 cm. The coil is rotating about an axis perpendicular to a magnetic field of 0.020 T
If the maximum induced emf in the coil is 1.6 V, at what angular frequency is the coil rotating? A) 0.30 rad/s B) 1.9 rad/s C) 1.4 rad/sec D) 0.60 rad/s E) 0.90 rad/s
The magnetic field due to the current in a long, straight wire is 8.0 ?T at a distance of 4.0 cm from the center of the wire. What is the current in the wire? (?0 = 4? × 10-7 T ? m/A)
A) 0.40 A B) 0.80 A C) 1.6 A D) 3.2 A E) 0.20 A