Answer:

oh what happened dear

Explanation:

anybody told anything in brainly

if yes I don't waste a time to kill that human ok ARMY girl so don't be sad

#mafia XD

Answer:

ohh!! wht happen

Explanation:

There are three laws which govern Reflection and Refraction. These can be very easily derived from geometry.They are: Angle of Incident Ray with Normal(i) EQUALS Reflected Ray with Normal(r).(i=r) Popularly known as SNELL'S LAW it is n1*sin i=n2*sin e where i is same as above,e is angle of refracted beam with normal.