Newton's rings will be closer together if illuminated with
A) red light.
B) blue light.
C) white light.
D) none of the above
Answer: B
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What happens to the surface temperature and luminosity when a protostar undergoes convective contraction?
A) Its surface temperature and luminosity increase. B) Its surface temperature remains the same and its luminosity decreases. C) Its surface temperature and luminosity decrease. D) Its surface temperature decreases and its luminosity increases. E) Its surface temperature and luminosity remain the same.
A square coil (length of side = 24 cm) of wire consisting of two turns is placed in a uniform magnetic field that makes an angle of 60° with the plane of the coil. If the magnitude of this field increases by 6.0 mT every 10 ms, what is the magnitude of the emf induced in the coil?
A. 55 mV B. 46 mV C. 50 mV D. 60 mV E. 35 mV
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Instructions: On occasion, the notation 
will be a shorthand notation for 
.
Exhibit 3-1
The three forces shown act on a particle.
Use this exhibit to answer the following question(s).
Refer to Exhibit 3-1. What is the direction of the resultant of these three forces?
A. 35°
B. 45°
C. 65°
D. 55°
E. 85°
Explain three advantages the Hubble Space Telescope has over all ground-based telescopes
What will be an ideal response?