Please answer both questions. THANK YOU! For the next question, the answer for p
ID: 1402008 • Letter: P
Question
Please answer both questions. THANK YOU!
For the next question, the answer for part A was 9.75. I only need the answer for part b.
(14%) Problem 3: Electric room heaters use a concave mirror to reflect infrared (IR) radiation from hot coils. Note that IR follows the same law of reflection as visible light 100% Part (a) Find the magnification of the heater element given that the mirror has a radius of curvature of 49 cm and produces an image of the coils 2.9 m away from the mirror. m=111.611 Grade Summary Deductions 60% 6096Explanation / Answer
Sorry we are allowed to answer one question at a time.
So I am answering second question as you have mentioned that you want answer for part b.
It will be appreciated if you upload different question seperately.
(b) Power of the lens = 1/f where f is focal length (in m )
therefore Focal length = 9.75 Cm = 0.0975
Power = 1/0.0975 = 10.25 Diopter