please help me with this

Problem 1: Two convex lenses which share a common principal axis are separated by a distance which is greater than the sum of their focal lengths, as shown. F F F2 lens 1 lens 2 Lens 1, with focal length F1: is placed to the left. Lens 2, with focal length F2: is placed a distance L to the right of the first lens. Part (a) An object is placed a distance do,1 =28.5 cm to the left of lens 1 which has focal length F1 =5.8 cm. Ignore the existence of lens 2 for the moment. What is the position of the image, di, created by lens 1? Include the sign which is consistent with standard sign conventions. Numeric : A numeric value is expected and not an expression. di,1 = Part (b) Calculate the magnification, Mi: of lens 1 for the object as positioned in the previous step. Be certain to include the sign that is consistent with the standard conventions. Numeric : A numeric value is expected and not an expression. M1 = Part (c) Which statement best describes the image created by lens 1? MultipleChoice The image is real and upright. The image is virtual and inverted. The image is real and inverted. The image is virtual and upright. Part (d) Lens 2 is placed a distance L = 20.0 cm to the right of lens 1, and the image of lens 1 becomes the object of lens 2. Calculate the object distance, do,2: relative to lens 2. Be certain to include the sign as consistent with the standard sign conventions. Numeric : A numeric value is expected and not an expression. do,2 = Part (e) Which statement best describes the object for lens 2? MultipleChoicePart (f) Lens 2 has focal length F2 =7.25 cm. What is the position of the final image relative to lens 2, di,2, created by lens 2? Include the sign which is consistent with standard sign conventions. Numeric : A numeric value is expected and not an expression. di,2 = Part (g) Calculate the magnification, M2, of lens 2 only. This is the magnification for the process that forms the final image from the intermediate image that was created by lens 1. Be certain to include the sign that is consistent with the standard conventions. Numeric : A numeric value is expected and not an expression. M2 = Part (h) What is the net magnification, Mnet of the two-lens system? Be certain to include the sign that is consistent with the standard conventions. Numeric : A numeric value is expected and not an expression. Mnet = Part (i) Which statement best describes the final image formed by the two-lens system? MultipleChoice : The final image is real, and it is upright as compared to the original object. 2) The final image is virtual, and it is inverted as compared to the original object. The final image is real, and it is inverted as compared to the original object. 4) The final image is virtual, and it is upright as compared to the original object.Problem 2: A laser beam is incident on two slits with separation d = 0.048 mm. A screen is placed _ = 3.6 m from the slits. The wavelength of the laser light is A = 3750 A. 01 and 62 are the angles to the first and second bright fringes above the center of the screen. 02 L Otheexpertta.com Part (a) Express sin(@1) in terms of d and 1. Expression : sin(61) = Select from the variables below to write your expression. Note that all variables may not be required. cotan(01): cotan(02), tan(01). tan(02): a. B. >, 0. d. g. h, L, m. P. t Part (b) Express sin(62) in terms of d and 1. Expression : sin(02) = Select from the variables below to write your expression. Note that all variables may not be required. cotan(01): cotan(02). tan(0]), tan(02). a. P. >, 0. d. g. h. L. m. P, t Part (c) Express the distance between the two bright fringes on the screen, y. in terms of @1: 0, and L. Expression : Select from the variables below to write your expression. Note that all variables may not be required. cos(a), cos(@), cos(0), cotan(01): cotan(02). sin(a). sin(@), sin(0): tan(01): tan(02), a; ), d, L, t Part (d) Solve for the numerical value of y in meters. Numeric : A numeric value is expected and not an expression.Problem 3: The 300 In diameterArecibo radio telescope is observing the Andromeda galaxyr at a wavelength of 23 cm. Part (a) What is the angle between two justresolvable stars for this telescope in radians? Numeric :A numeric value is expected and not an expression. a = Part (In) How close together could these point sources be at the 2.5 million light year distance ofthe Andromeda galaxy in 13;"? Numeric :A numeric value is expected and not an expression. J = Problem 4: An object with height 1.05 cm is placed a distance 33 cm in front of a concave mirror with focal length of 9.25 cm. similar to the image shown. The focalpoint location is indicated by the small black circle. Part (:1) Calculate and enter a value for the distance, in centimeters= between the image and the mirror given the values in problem statement. Numeric : A numeric value is expected and not an expression. di: Part (13) Web statement best indicates the position of the image? MultipleChoiee l) The object and image are on opposite sides of the mirror, and the image is closer to the minorthan the focal point. 2) The object and image are on the same side ofthe mirror, and the image is between the object and the sameside focal point. 3) The object and image are on the same side ofthe mirror, and the image is closer to the mirror than the focal point. 4) The object and image are on opposite sides of the mirror, and the image is farther from the mirror than the focal point. 5) The object and image are on the same side of the mirror, and image is father from the mirror thanthe object. Part (c) Using the values given in the problem statement, calculate and enter a value. in centimeters, for the magaiede of the image height, Ihj I. Numeric : A numeric value is expected and not an expression. Ihil = Part (d) 'Which statement best describes the image that is formed? MultipleChoiee l) The image is inverted and larger than the object. 2) The image is upright and the same size as the object. 3) The image is inverted and smaller than the object. 4) The image is inverted and the same size as the object. 5) The image is upright and larger than the object. Part (3) Which statement best describes the image that is formed? MultipleChoice 1) The image is virtual because the reected principal rays physically converge at a common point. 2} The image is real because the reected principal rays physically converge at a common point. 3) The image is virtual because the reected principal rays may be extrapolated to converge at a common point. 4} The image is real because the reected principal rays may be extrapolated to converge at a common point. Problem 5: You observe a sh through the at side ofa large saltwater aquarium. The sh appears to be swimming at a speed of 19 cmfs directly toward you. The index of refraction of the saltwater is 1.35 Wt is the actual speed of the sh, in centimeters per second? Numeric : A numeric value is expected and not an expression. actual =