Lamina and turbulent flow 
Explanation:
mentioning about lamina and turbulent flow we could say that both form in different period of time
 
        
             
        
        
        
Answer:
The intensity of laser 2 is 4 times of the intensity of laser 1. 
Explanation:
The intensity in terms of electric field is given by :

E is electric field
It means, 
In this problem, lasers 1 and 2 emit light of the same color, and the electric field in the beam of laser 1 is twice as strong as the e-field of laser 2.
Let E is electric field in the beam of laser 1 and E' is the electric field in the beam of laser 2. So,

We have, 
E'=2E
So,

So, the intensity of laser 2 is 4 times of the intensity of laser 1. 
 
        
             
        
        
        
Answer:
The spring stretched by x = 13.7 cm
Explanation:
Given data
Mass = 3 kg
k = 120 
Angle  = 34°
 = 34°
From the free body diagram 
Force acting on the box = mg sin
⇒ F = 3 × 9.81 × 
⇒ F = 16.45 N ------- (1)
Since box is attached with the spring so a spring force also acts on the box.
 = k x
 = k x 
 = 120
 = 120  -------- (2)
 -------- (2)
The net force acting on the body is given by 
 
 
Since acceleration of the box is zero so 



Put the values from equation (1) & (2) we get
16.45 = 120
x = 0.137 m 
x = 13.7 cm
Therefore the spring stretched by x = 13.7 cm
 
        
             
        
        
        
Impulse = Force * time
Impulse = 500N *0.5 s =250 N*s
        
                    
             
        
        
        
Absorption happens when <span>all of the energy from light waves is transferred to a medium.</span>