When a beam of light, originally traveling in air, enters a piece of glass having an index of refraction of 3/2, its wavelength
A) increases by a factor of 3/2.
B) is reduced to 2/3 its original value.
C) is unaffected.
B
Physics & Space Science
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The maximum value of the magnetic field component of an electromagnetic wave is 2.81 ?T. What is the rms value of the magnetic field?
A) 2.81 ?T B) 2.46 ?T C) 3.12 ?T D) 3.97 ?T E) 1.99 ?T
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Some materials in seawater are economic to extract at the present
What will be an ideal response?
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What is the Sun made up of?
a. rock b. metal c. ice d. hot gas e. water
Physics & Space Science
What is the approximate density of the Earth?
A. 1 g/cm3 B. 5 g/cm3 C. 25 g/cm3 D. 50 g/cm3
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