A beam of light in water (n = 1.33 ) enters a glass slab (n = 1.50 ) at an angle of incidence of 60.0°. What is the angle of refraction?
A) 27.5°
B) 39.8°
C) 60.0°
D) 90.0°
E) 50.2°
E
Physics & Space Science
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Describe changes in atomic structure that accompany the making of neutron star
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A measurement of 0.00254 g is the same as
a. 0.254 mg. b. 25.4 mg. c. 254 mg. d. 2.54 mg. e. none of these.
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Consider two steel rods, A and B. B has three times the area and twice the length of A, so Young's modulus for B will be what factor times Young's modulus for A?
a. 3.0 c. 1.5 b. 0.5 d. 1.0
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The self-inductance of a solenoid increases under which of the following conditions?
a. Only the cross sectional area is decreased. b. Only the number of coils per unit length is decreased. c. Only the number of coils is increased. d. Only the solenoid length is increased.
Physics & Space Science