The sun subtends an angle a half a degree at the pole of a concave mirror which has a radius of curvature of 15 m.Then the size(diameter) of the image of the sun formed by the concave mirror is :

a) 3.5 cm

b) 13.1 cm

c) 7.5 cm

d) 6.55 cm

Question

The sun subtends an angle a half a degree at the pole of a concave mirror which has a radius of curvature of 15 m.Then the size(diameter) of the image of the sun formed by the concave mirror is :

a) 3.5 cm

b) 13.1 cm

c) 7.5 cm

d) 6.55 cm

mayankdevnani · Answer

@amistre64   and   @ANISH95

ashleyisakitty · Answer

im sorry i dont really know physics :(

mayankdevnani · Answer

okk...

anonymous · Answer

You know the image will lie of focus because sun is at infinity

anonymous · Answer

|dw:1371806732155:dw|

does this thing help?????????????????