Question 1 A blind is pulled down to cover a window but it has a pinhole in it that is allowing sun to enter the room. On a wall that is 5.00 m away you can see a circular diffraction pattern from the pinhole. The central maximum of this circular diffraction has a diameter of 0.500 cm. What is the diameter of the pinhole? (Hint: Estimate the average wavelength of the sunlight first.) Question 2 A 0.700-cm-tall candle flame is 5.00 m from a wall. You happen to have a lens with a focal length of 30.0 cm, and notice while playing around with it that there are two locations you can place the lens and form a well-focused image of the candle flame on the wall. With the lens in the location furthest from the wall, what is the height of the image? (Input a positive height)