4..In the absorption coefficient experiment What happen if the thickness of materials decrease? 

(a)Nothing happens

(b)The absorption increases

(c)The absorption decreases

(d)The absorption increases and decreases

 

5..In the absorption coefficient experiment the absorption of materials increase with increase transmission? *

(a)True

(b)False

6..Also in the absorption coefficient experiment If the intensity of incident radiation equal twice transmitted radiation? 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 total transmission of laser beam is? *

(a)Advantages

(b)Disadvantages

(c)Advantages and Disadvantages

(d)Nothing mentioned