Lab 8 refraction

Law of Reflection: 1. How does the size of the angle of incidence compare to the angle of reflection? 2. Measure the angle of incidence with your protractor. Use this angle to complete the reflected ray. а. Find the angle of incidence? b. Find the angle of reflection? с. Find the angle made by the reflected ray and the surface. d. Find the angle made by the incident and reflected rays. 3. Use what you know about the Law of Reflection, your protractor and ruler to complete the ray diagrams.

MIRROR/LENS EQUATION 1. Suppose that the height of the object is 3.00 cm at 20.0 cm from the concave mirror. What are the height and the distance of the image from the mirror if the focal length is 10.0 cm? 2. What is the local length of a convex mirror that produces an image that appears 20.0 cm behind the mirror when the object is 35.0 cm from the mirror? 3. Complete the given table. Show your solution. ( The table is provided in the picture.) Please answer question nos. 1, 2 and 3. Thank you!!

2. Refer to the figure given below and answer the following: Write your solutions in the space provided a. Calculate the index of refraction of the unknown material. b. What is the speed of light within the unknown material? 42.0° 7 water unknown material 30.0°

b. Explain the concept of the following and how they occur in our daily lives (Exampl es should not be related to lecture notes) i. Newton's First Law of Motion ii. Newton's Third Law of Motion iii. Refraction iv. Concave Mirror V. Convex Mirror

Image Characteristics- Curved Mirrors a. Concave mirrors: use the sliders to set the focal length to 8.8 cm and the object height to 12.8 cm. If you drag an object to 12.5 cm from the mirror, describe the image Location, Orientation, Size, and Type. Verify your description using mirror equations. b. Convex mirrors: use the sliders to set the focal length to 8.8 cm and the object height to 12.8 cm. If you drag an object to 5 cm from the mirror,describe the image Location, Orientation, Size, and Type. Verify your description using mirror equations.

3. An incident ray strikes a glass (n=1.52) with an angle of 38º to the surface of the glass. a. Illustrate with label angle of incidence, angle of reflected ray and angle of refraction. b. What is the angle of the reflected ray? c. What is the angle of the refracted ray?

1. How might you determine the focal length more accurately? 2. How does the size of the image of object compare to the object ítself?

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What is the critical angle?   A. A B. B C. C D. None of the above

What would be considered true for the given two vectors attached in the image?a.) Result of scalar product is a vector. b.) Scalar product must be a negative quantity. c.) Scalar product cannot be zero. d.) Maximum value of A(Vector) x B(Vector) is AB. e.) Scalar product must be a positive quantity. f.) Range of the dot product is -AB < A(Vector) x B(Vector) < AB.

Directions: Identify what is defined in the following statement, you can use the jumbled letters in each item as a hint. Write your answers on your Sdience Activity Notebook. 1. A plane mirror is a flat surface mirror, the image formed by a plane mirror is called (TULARIV) image. 2. Mirrors arranged parallel to each other can form (ENITFNII) image, a number you can't count. 3. A(PEOCSOKAEILD) is a colorful optical instrument in which the mechanism of multiple image is used. 4. Aconvex mirror is used in car's side mirror because it gives (RDWIE) view field than concave mirrors. 5. To secure the store from shoplifters, aside from CCTV camera, store owners hang (RORMIR XNCOEV) on the corner.

4. What is the speed of light in water whose refractive index is 1.33? 5. An object is placed 40 cm in front of a concave mirror of radius 100cm. a.) What is the focal length of the mirror? b.) Where is the image located? C.) Characterize the image

: Q2 S] An object is located at a distance s = 14 [cm] in front of a mirror having a focal length of f = -2 [cm]. A. [. What is the type of the mirror? → Find the radius of curvature of the [cm] } Find the position of the image. [cm] If the location of the image is s' = The Mirror is B. I mirror. R = D. [ s' = D. Las -2.1, find the transverse magnification. M = E. [. s] Is the image Upright or Inverted? + The image is الممسوحة ضوئيا بـ CS camscanner

A protractor is made so that the edge of its scale is 7.5 cm from the center point. If the scale is marked in degrees, how far apart are the marks along the edge?     Select one: a.  0.30 cm   b. 0.0013 m   c. 0.10 cm   d.  1 cm

6. A sheet of glass has an index of refraction nalass = 1.45. Assume that the index of refraction for air is na= 1.00, Light is incident on the sheet of glass at an angle of incidence of 60°, as shown in the figure below. a. Calculate and label the size of each angle (in degrees) on the figure, including angles of incidence and refraction at each of the two parallel surfaces shown. 60 degrees Air na = 1.00 Glass " = 1.45 Air ng = 1.00 b. Calculate the velocity of the light as it travels in the glass.

Physics Explain why this equation gives the correct focal length. Write a paragraph of text with no derivations or math, text only.

At what angle T with respect to the horizontal should you tilt the face of your watch to reflect the light beam as shown?   A. 10° B. 15° C. 20° D. 25° E. 5°   Correct answer is A. I need help in understanding how to figure out the steps to arrive at the answer correctly. Thank you for your help!

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Light travels from air (n1=1.0003) to glycerin (n2=1.47). If the angle of incidence is 45.0 degrees  what is the angle of refraction? a. 23.4 degrees b. 28.8 degrees c. 28.6 degrees d. 25.9 degrees

please solve for the following problems to identify the characteristics of an image of object. 1. A lit candle is placed 20 cm in front of a concave mirror with a focal length of 15 cm. Where does   the image form and its magnification? 2.

7. What happens when the incident angle is greater than the critical angle? Please describe least two complete sentences. 8. This phenomenon is called Total Internal Reflection (TIR). What do you think would be some practical purposes of TIR in modern technology? Please name at least one example and explain your answer in at least two complete sentences.

Solve using GUESS method. Geometric Optics 1. A candle 4.85 cm tall is 39.2 cm to the left of a plane mirror. Where is the image formed by the mirror, and what is the height of this image?

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Part 1: Standard problem An object is held 21.3 cm away from a mirror. The mirror has a focal length of -16.5 cm. A.) Determine the image distance. 9.35 cm x B.) Determine the magnification. C.) If the object is 2.2 cm long, determine the image height. D.) Which of the following are true about the image? Choose all that are true. The image is diminished. The image is virtual. The image is magnified. The image is upright. The image is inverted. The image is real. E.) Which of the following are true about the mirror? Choose all that are true. The mirror is diverging. The mirror is convex. The mirror is concave. The mirror is converging. Part 2: Optical bench problem A converging lens is used to make a real image (of a locust) that is 1.5 cm long. The locust is located at locust,x= 43 cm, the lens is located at flens,x 81 cm, and the image is located at image,x= 129 cm. A.) Determine the object distance & the image distance. do = di = B.) Determine the focal length, magnification, and how…