If the maximum E-component of an electromagnetic wave is 600 V/m, what is the maximum B-component?
a. 1.4 T
b. 1.8 × 10^?5 T
c. 2.0 × 10^?6 T
d. 1.0 × 10^?3 T
e. 1.6 × 10^?10 T
c
Physics & Space Science
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A) number of ejected electrons. B) velocity of ejected electrons. C) both of these D) neither of these
Physics & Space Science
The final temperature of 1 liter of 40°C water poured into 1 liter of 20°C water is
A) less than 30°C. B) at or about 30°C. C) more than 30°C.
Physics & Space Science
Conversion of Units: Express 50 mi/h in units of meters per second. (1 mi = 1609 m)
A. 49 m/s B. 2.2 m/s C. 22 m/s D. 45 m/s
Physics & Space Science
The image formed by a concave mirror when the object distance is greater than the focal length is always
A. at a distance greater than the focal length. B. real. C. right side up. D. virtual.
Physics & Space Science