• An object $2$ cm high is placed $23$ cm from a convex lens of focal length $15$ cm$.$$$

  $($a$)$ Determine the position of the image by calculation.$$

  $($b$)$ Determine the size of the image by calculations.$$

  $($c$)$ Will the image be real or virtual?$$

  $($d$)$ Will the image be inverted or upright?