Correct Answer: Option C

Explanation

\(\frac{1}{f} = \frac{1}{u} + \frac{1}{v}\)

= \(\frac{1}{5} - \frac{1}{35} = \frac{30}{175}\)

U = \(\frac{175}{30}\) = 5.8m

\(\frac{v}{u} = \frac{35}{5.8}\)

= 6

• If the power of a lens is +2.5D. Calculate the radius of curvature (a). 80cm (b). 40cm (c). 25cm (d).... Answer this

  1 Answers   ·   Physics   ·   4 days ago
• Subjects to learn under petroleum engineering? Answer this

  1 Answers   ·   3 days ago
• what is the cut of mark for medical doctor in university and list all the university? Answer this

  1 Answers   ·   2 days ago