In a double-slit experiment, the intensity of light at the center of the central fringe is measured to be 6.2 × 10-6 W/ m2. What is the intensity halfway between the center of the fringe and the first dark band?
A)
6.2 × 10-6 W/ m2
B)
3.1 × 10-6 W/ m2
C)
4.7 × 10-6 W/ m2
D)
1.6 × 10-6 W/ m2
E)
0.12 × 10-6 W/ m2
B
You might also like to view...
A 4.0-pC point charge is placed at the center of a hollow (inner radius = 2.0 cm, outer radius = 4.0 cm) conducting sphere which has a net charge of 4.0 pC. Determine the magnitude of the electric field at a point which is 6.0 cm from the point charge.
A. 35 N/C B. 25 N/C C. 30 N/C D. 20 N/C E. 10 N/C
Colors seen on the cover of your physics book are due to color
A) addition. B) subtraction. C) either of these D) neither of these
The half-life of a muon is 2.2 ?s. How fast is it moving relative to an observer who says its half-life is 4.4 ?s?
a. 0.87 c b. 0.75 c c. 0.97 c d. 0.72 c e. 0.50 c
In a dream you're in a car traveling at 50 km/h and you bump into another car traveling toward you at 48 km/h. The speed of impact is
A) 48 km/h. B) 50 km/h. C) 98 km/h. D) 2400 km/h.