Answer:
Angle of refraction for red light is
Angle of refraction for blue light is
Explanation:
It is given refractive index for red light is 
Refractive index of blue light 
Angle of incidence 
According to law of refraction 
For red light 



Therefore angle of refraction for red light is 
Similarly for blue light 


r = 
Therefore angle of refraction for blue light is 
Answer:
gas, liquid, solid
sound cannot travel in space
Answer:
Stretching
Explanation:
Stretching is a great way to improve your flexibility!