a concave mirror produces 3 times enlarged image of an object placed at 10 cm in front of it.Calculate radius of curvature of mirror
u= -10cm
m=+3= -v/u
=)v=30cm
1/f=1/v+1/u
=)1/f=u+v/uv
=)1/f = -10+30/-300
=20/-300
=)f= -15cm
R=2f= -30cm
a concave mirror produces 3 times enlarged image of an object placed at 10 cm in front of it.Calculate radius of curvature of mirror
u= -10cm
m=+3= -v/u
=)v=30cm
1/f=1/v+1/u
=)1/f=u+v/uv
=)1/f = -10+30/-300
=20/-300
=)f= -15cm
R=2f= -30cm