To make a square 4 match sticks are needed and 2*4 match sticks are needed to make 2 square. How many match sticks are needed to make n numbers of squares.
Answers
Answer:
1. Which of the following statements are correct in relation to
the adjacent figure?
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1) Light is traveling from denser medium to rarer medium.
2) the refracted ray is away from the normal.
3) A is rarer medium and B is denser medium.
4) angle of refraction is greater than angle of incid
A) 1,2,3
B) 2,3,4
C) 1,3,4
D) 1,2,4