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yash gupta
Questions
Answers
1
Ans
Does nucleus exert same force of attaraction on each and every electron in any particular shell ?
174 views
doubts
approved
November 27, 2018
Class 10 - Chemistry
1
Ans
The angle of elevation of the top of a tower from a point A due south of the tower is α and from B due east of the tower is β. If AB= d prove that height of the tower is d/√cot2α+cot2β.
481 views
doubts
approved
November 23, 2018
Class 10 - Mathematics
1
Ans
The angle of elevation of a cliff from a fixed point is θ.after going up a distance k metres towards the top of the cliff at an angle of ϕ,it is found that the angle of elevation is α .show that the height of the cliff is k(cosϕ – sinϕcotα) / cotθ – cotϕ metres.
366 views
doubts
approved
November 23, 2018
Class 10 - Mathematics
1
Ans
NTSE EXAM EXPECTED CUTOFF
167 views
doubts
edited answer
November 10, 2018
Class 10 - Mathematics
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