NCHMCT JEE 2011 Question Paper with solutions for online practice

Question : 11 of 198

Marks: +1, -0

A wire of length 25 cm is bent so as to be along the arc of a circle of diameter 100 cm. The angle subtended by the arc at the centre of the circle is :

$π/8$
$π/4$
$π/2$
π

Validate

Solution:

Angle subtended by the arc AC at O can bedetermined by
θ =

l/r

{25}/{50}

1/2

radian =

π/2

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