11. Which color has the shortest wavelength of light ?
(a) red
(b) yellow
(c) blue
(d) green
12. The bandwidth of optical fiber :
(a) 900 MHz
(b) 900 PHz
(c) 900 THz
(d) 900 EHz
13. A dielectric waveguide for the propagation of electromagnetic energy at light frequencies.
(a) stripline
(b) microstrip
(c) laser beam
(d) fiber optics
14. Founded the wave theory of light :
(a) francesco Grimaldi
(b) edward Appleton
(c) james Clerk Maxwell
(d) christian Huygens
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