6.. Also in the absorption coefficient experiment What happen If the intensity of the incident radiation and the transmitted radiation are equal? What is the value of transmission? 

(a).T= Zero

(b).T = 100

(c).T= 1

(d).T = 0.5

7.. In the optical fibers experiment reason of losses is? 

(a).High absorption of laser beam

(b).High transparency of laser beam

(c).Both of them

(d).Nothing mentioned

8.. If the input power and output power are equal, the efficiency of the optical fiber is not good? 

(a).True

(b).False

9.. What is best for use in transmitting information through optical fibers? 

(a).Visible light

(b).Lasers

(c).Water

(d).Air

10.. In the optical fibers experiment we use lasers because .

(a).Have many wavelength light

(b).Haven't wavelength light 

(c).Have single wavelength light