Question 1 The figure provided displays the light intensity on a viewing screen behind a circular aperture. If the wavelength is increased, what will happen to the width of the central maximum? O The width of the central maximum will remain constant. The width of the central maximum will decrease. The width of the central maximum will increase. Question 2 A Michelson interferometer is set up to display constructive interference using light of wavelength ), as shown in the figure provided. Which of the following is true if the wavelength is changed to A/2? The central spot becomes dark. 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? At the mirror's surface. O Almost exactly a distance fbehind the mirror. Almost exactly a distance fin front of 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 Upright and real. Upright and virtual. O Inverted and virtual. Inverted and real.Which is the correct model of light? C;- We ray model of light. C;- The wave model of light. C; We photon model of light. C;- All three of those models are successful within a certain domain