i need help with this problem of physics?
by Amy on Aug.31, 2010, under Spy Camera
i need help with this problem of physics?
Q.A pin hole camera where in the distance of the pin hole is 100 cm. is used to obtain the image of the sun which subtends an image of 30 degrees,then the diameter of the image of the solar disc,is ????
a)1.74 cm
b)0.87 cm
c)0.435 cm
d)100 cm
please help!!!!!!
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