Question 1 The figure provided shows the light intensity on a viewing screen behind a circular aperture. Which of the following is true if the diameter of the aperture is increased? O The width of the central maximum will decrease. O The width of the central maximum will remain constant. O The width of the central maximum will increase. Question 2 A Michelson interferometer is set up to display constructive interference using light of wavelength A, as shown in the figure provided. Which of the following is true if the wavelength is changed to A/2? O The central spot becomes dark. O The fringes disappear. The central spot remains bright.Question 3 Where is an image located if a concave mirror of focal length fforms an image of the moon? O At the mirror's surface. O Almost exactly a distance fin front of the mirror. O Almost exactly a distance fbehind the mirror. At a distance behind the mirror equal to the distance of the moon in front of the mirror. Question 4 The figure provided shows an object near a lens where the focal points are marked. Which of the following best describes the image produced? O Inverted and virtual. O Upright and virtual. O Inverted and real. O Upright and real.Question 1 What is the diameter of the 56Fe nucleus? O 4.59 fm O 134 fm O 18.0 fm O 9.18 fm Question 2 What is the binding energy per nucleon for 160? Use this table for atomic masses of isotopes (under the column "Relative Atomic Mass," which gives the mass in atomic mass units u). O 0.137 MeV O 128 MeV O 7.97 MeV O 11.2 MeV Question 3 A 300. ug sample of the isotope 198Au is prepared. How much is left after 6.20 days? The half-life of 198Au is 2.70 days. O 36.6 ug O 7.45 ug O 132 ug O 61.1 Hg