A concave mirror has a radius of curvature of 34.0cm .What is the focal length and if the mirror is immersed in water,(refractive index*1.33),what is its focal length
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f= r/2;
so, f=34/2
then f=7cm and when the mirror is imerge in water so it f =r*1.33/2which will be ur required answer
so, f=34/2
then f=7cm and when the mirror is imerge in water so it f =r*1.33/2which will be ur required answer
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