Review Test Submission_ Home work 4 – PHYS1112_ .._

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Review Test Submission: Home work 4 PHYS1112: Introductory Physics II (LECTURE) 40868 Home work s Review Test Submission: Home work 4 User Francisco Oviedo-Mancilla Course PHYS1112: Introductory Physics II (LECTURE) 40868 Test Home work 4 Started 4/22/22 10:09 PM Submitted 4/22/22 11:09 PM Due Date 4/27/22 11:59 PM Status Completed Attempt Score 82 out of 100 points Time Elapsed 59 minutes Question 1 A light beam has speed c in vacuum and speed v in a certain plastic. The index of refraction n of this plastic is Question 2 Light goes from material having a refractive index of n into a material with refractive index n . If the refracted light is bent away from the normal, what can you conclude about the indices of refraction? 1 2 Question 3 Which one of the following sets of characteristics describes the image formed by a plane mirror? Question 4 Which one of the following numbers is the correct magnification produced by a plane mirror? Question 5 A negative magnification for a mirror means that Lanier Tech Noti±cations Online Resources Francisco Oviedo-Mancilla 17 2 out of 2 points 0 out of 2 points 2 out of 2 points 2 out of 2 points 2 out of 2 points
Question 6 The focal length of a concave mirror has a magnitude of 20 cm. What is its radius of curvature? Question 7 The focal length of a convex mirror is has a magnitude of 20 cm. What is its radius of curvature? Question 8 An object is placed in front of a convex mirror at a distance larger than twice the magnitude of the focal length of the mirror. The image will appear Question 9 If you stand in front of a convex mirror, at the same distance from it as its focal length, Question 10 Single convex spherical mirrors produce images that Question 11 Light having a speed in vacuum of 3.0 × 10 m/s enters a liquid of refractive index 2.0. In this liquid, its speed will be 8 Question 12 A thin beam of light enters a thick plastic sheet from air at an angle of 32.0° with the normal and continues in the sheet at an angle of 23.0° with the normal. What is the index of refraction of the plastic? Question 13 A beam of light, traveling in air, strikes a plate of transparent material at an angle of incidence of 56.0°. It is observed that the reflected and refracted beams form an angle of 90.0°. What is the index of refraction of this material? Question 14 3 out of 3 points 3 out of 3 points 3 out of 3 points 3 out of 3 points 3 out of 3 points 4 out of 4 points 3 out of 3 points 4 out of 4 points 0 out of 4 points
A concave spherical mirror has a focal length of magnitude 20 cm. An object is placed 10 cm in front of the mirror on the mirror's axis. Where is the image located? Question 15 A toy is 14 cm in front of a convex spherical mirror. If the image of the toy is 5.8 cm behind the mirror, what is the focal length of the mirror? Question 16 An object is 50 cm from a concave mirror of radius of curvature of magnitude 60 cm. How far is the image from the mirror? Question 17 A 14-mm tall postage stamp is 4.0 mm from a converging lens. If the image of the stamp is 4.0 mm tall, how far is it from the lens? Question 18 An image is 4.0 mm in front of a converging lens with focal length of magnitude 5.0 mm. Where is the object for this image? Question 19 A wrench is placed at 30 cm in front of a diverging lens with a focal length of magnitude 10 cm. What is the magnification of the wrench? Question 20 A cup that is 6.0 cm tall is in front of a concave lens. The image of the cup is 2.5 cm tall and 7.5 cm from the lens. What is the focal length of the lens? Question 21 When an electron jumps from an orbit where n = 4 to one where n = 2 Question 22 The orbital angular momentum quantum number can take which of the following values for any given value of the principal quantum number, n ? 4 out of 4 points 4 out of 4 points 4 out of 4 points 4 out of 4 points 4 out of 4 points 4 out of 4 points 4 out of 4 points 4 out of 4 points
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Friday, April 22, 2022 11:09:12 PM EDT Question 23 Which of the following values can be taken by the electron spin quantum number, m ? s Question 24 If n = 5, which one of the following is not an allowed magnetic quantum number m ? 1 Question 25 Atomic nuclei that are all isotopes of an element all have the same Question 26 The atomic number and mass number for calcium-39 are 20 and 39, respectively. How many neutrons are in one atom? Question 27 In a nucleus , how many protons, neutrons, and electrons are found there? Question 28 An α particle is also known as Question 29 When an unstable nucleus decays by emitting an alpha particle, the atomic number Z of the nucleus Question 30 The atom decays to by emitting what kind of nuclear radiation? ← OK 4 out of 4 points 4 out of 4 points 2 out of 2 points 0 out of 4 points 0 out of 4 points 2 out of 2 points 0 out of 4 points 4 out of 4 points

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