An object is placed at a distance of 30 cm from the pole of the concave mirror of focal length 10 cm . Find the position of the image.
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u= -30 cm [after applying sign conventions]
f= -10 cm [after applying sign conventions]
v=?
1/f=1/v+1/u
1/v=1/f-1/u
1/v= -1/10-(-1/30)
1/v=-1/10+1/30
1/v=-3+1/30
1/v= -2/30
1/v=-1/15
v=-15cm
∴the distance of the position of the image from the concave mirror is 15cm
f= -10 cm [after applying sign conventions]
v=?
1/f=1/v+1/u
1/v=1/f-1/u
1/v= -1/10-(-1/30)
1/v=-1/10+1/30
1/v=-3+1/30
1/v= -2/30
1/v=-1/15
v=-15cm
∴the distance of the position of the image from the concave mirror is 15cm
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