The class is about heat, waves, and light. The website wants exactly the perfect answer and in the same metric system units that are stated on the calculators that are on the picture for the question, if not, it'll mark it wrong.

c. Pam, who has normal eyes with near point at 25 cm, puts on Sam's glasses. Calculate Pam's near point with Sam's glasses on. Assume Pam also wears the glasses 2 cm from her eyes. 5 Npam = cm abc sin(x) Ox10 Submit Reset Reset All Find the distance D from an object to Pam's eye that gives a (virtual) image at Pam's near point, 25 cm from her eye. The distance D is Pam's near point with Sam's glasses on.Set 15 Problem 6 Sam purchases + 2.4 -diopter eyeglasses which correct his faulty vision to put his near point at 25 cm. Assume he wears the glasses 2 cm from his eyes. a. Calculate the focal length of Sam's glasses. OC f = cm abc in(x) 1X10 Submit Reset Reset All b. Calculate Sam's near point without his glasses. NSam = cm abo sin(x 1x10' Submit Reset Reset All When an object is placed 25 cm from the eye, the lens produces a (virtual) image of the object at the near point, i.e. the distance from the image to the eye is Sam's near point distance without glasses. If an object is 25 cm from the eye, it is (25 - 2) cm from the lens. What is the sign of d; for a virtual image