Light in a frozen block of ice reflects off the ice-air interface at the surface of the block. What phase shift does it undergo?
A) 0°
B) 90°
C) 180°
D) 270°
E) It does not undergo any phase shift.
A
Physics & Space Science
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Earth is closest to the Sun during the month of January. Explain then why we do not experience our hottest weather in January in the northern hemisphere
What will be an ideal response?
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A normal lapse rate of 3.5 °F/1000 ft is equivalent to
a. 3.5 °C/m. b. 1.9 °C/1000 ft. c. 3.5 °C/1000 ft. d. 6.5 °C/1000 ft.
Physics & Space Science
Which compound is the major component of table salt?
a. HC2H3O2 b. NH4Cl c. MgCO3 d. NaCl
Physics & Space Science
Earth's outer core is
a. liquid. b. part solid and part liquid. c. solid. d. frozen.
Physics & Space Science