If the electric field and magnetic field of an electromagnetic wave are given by E = E0 sin(kx - t) and B = B0 sin(kx - t), and if the value of E0 is 51 V/m, what is the value of B0? (c = 3.0 x 108 m/s)
A) 1.7 1014 T
B) 1.7 103 T
C) 1.7 10-14 T
D) 1.7 104 T
E) 1.7 10-13 T
Question 2
The objective lens of an astronomical telescope has a focal length of 60 cm and the eyepiece has a focal length of 2 cm. How far apart should the lenses be placed in order to form a final image at infinity?
A) 44 cm
B) 58 cm
C) 76 cm
D) 60 cm
E) 62 cm
Field Thistle
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