1. when a ray of light travels from one medium to another,it changes its _______.
2.when a ray of light travels from a _______medium to a _______medium,it bends
towards the normal.
3.the center of the reflecting surface of a spherical mirror is called_____.
4.a concave mirror_______the rays of light and a convex mirror___them.
5.the _____color deviates the least when a ray of white light passes through a prism.
6.the _____color has highest frequency.
7.if the angle of incidence on a glass slab is 30 degree ,then the angle of emergence is ___.
options are :
denser,violet,converges,30 degree,direction,pole,red,diverges,rarer
Answers
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Answer:1.speed
2.rarer to denser
3.Center of curvature
4.converge,diverge
5.red
6.red
7.30 degrees
Explanation:
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