1.

In the adjacent figure 'OX' is the principal axis of a stationary spherical mirror (either concave mirror or convex mirror). NM is an incident ray, after reflection it passes through the origin O, such that ZOMN=106^(@) LM is another incident ray, which after reflection, passes through the point K having coordinates^,, 0), such.that ZOML=76^(@). The point P (x_(2) , 0) is the pole of the spherical mirror and point C(x_(3) , 0) is the centre of the curvature of spherical mirror. In the figure side of each square is equal to 1cm. QFind the value of Xi (in cm)

Answer»

72
73
2
75

Answer :B


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