8. Draw the ray diagram for concave mirror when object is placed in front of the mirror on the
principal axis?
9. What information do you get from a balanced chemical equation?
10. Write any three uses of baking soda?
11. How do you find focal length of a lens experimentally? Write the electronic configuration of Na ,
ca, Zn ,Cu Cr
12. An element has atomic number 19 . where would you expect thi element in periodic table and
why?
13. Balance the following chemical equations
A sodium hydroxide reacts with sulphuric acid
B. Sodium reacts with water
answer please correct ok
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Answer:
Convex mirror : if the reflecting surface of the spherical mirror is curved outwards, it is called a convex mirror.
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which questions answer is it
if it is first on not for the convex it is for concave
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