If a lamp has resistance of 120 W when it operates at 200 W, what is the applied voltage?
a. 120 V
c. 110 V
b. 220 V
d. 155 V
D
Physics & Space Science
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Jupiter rotates about its axis once every 10 hours. How much time passes between high tides in its atmosphere?
A. 5 hrs B. 10 hrs C. 20 hrs D. 100 hrs
Physics & Space Science
When electromagnetic radiation is created it is said to be
A) reflected B) emitted C) refracted D) absorbed
Physics & Space Science
A uniform film of oil (n = 1.31) is floating on water. When sunlight in air is incident normally on the film, an observer finds that the reflected light has a brightness maximum at ? = 450 nm and a brightness minimum at ? = 600 nm. What is the thickness of the oil film?
Physics & Space Science
The principal quantum number is symbolized by the letter ______________
Fill in the blank(s) with correct word
Physics & Space Science