Math, asked by patilpratibha602, 2 months ago

what is the next step

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Answered by ashadapurk

2

Step-by-step explanation:

I have tagged a pic to u that's the correct answer

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Answered by amankumar98058

1

Wo,

Galat tha

correct answer is

50cm

Focal length (f)= 25cm

Focal length= R/2

Radius of curvature (R)

a/q

R/2=25cm

or,R= 25×2cm

= 50cm

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