Answer:
shadow length 7.67 cm
Explanation:
given data:
refractive index of water is 1.33
 by snell's law we have


solving for



from shadow- stick traingle


s = 19tan22 = 7.67 cm
s = shadow length
 
        
             
        
        
        
txt now you need to add to 14 to those two to get it between the 14 and 19 and basically you will just be able to do this the liquid is 45 as you know that's all I got to say for you is that you have to answer the phone for you equational to pay
 
        
             
        
        
        
Gas because liquids and solids volumes don't change from switching containers.