6. A glass prism has u=1.5 and the refracting angle is 90°. If a ray falls on it at angle of incidence of
30°, then the angle of emergence is
[ ]
a) 60°
b) 30°
c) 450
d) the ray will not emerge out of this prism

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it