Two beams of length \[{{l}_{1}}\] and \[{{l}_{2}}\] are leaning on opposite sides of a thin vertical wall meeting at the same point on the wall and making angles \[30{}^\circ \]and \[60{}^\circ \] with it respectively. Then \[{{l}_{2}}\] is equal to

Two beams of length \[{{l}_{1}}\] and \[{{l}_{2}}\] are leaning on opp

1.	Two beams of length \[{{l}_{1}}\] and \[{{l}_{2}}\] are leaning on opposite sides of a thin vertical wall meeting at the same point on the wall and making angles \[30{}^\circ \]and \[60{}^\circ \] with it respectively. Then \[{{l}_{2}}\] is equal to
A.	\[\frac{{{l}_{1}}}{2}\]
B.	\[2{{l}_{1}}\]
C.	\[{{l}_{1}}\sqrt{2}\]
D.	\[{{l}_{1}}\sqrt{3}\]
Answer» E.

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Two beams of length \[{{l}_{1}}\] and \[{{l}_{2}}\] are leaning on opposite sides of a thin vertical wall meeting at the same point on the wall and making angles \[30{}^\circ \]and \[60{}^\circ \] with it respectively. Then \[{{l}_{2}}\] is equal to

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