Part AYou look at yourself in a shiny 9.4 cm -diameterChristmas tree ball.If your face is 21.0 cm away from the ball's front surface, where is your image?Express your answer using two significant figures.ΕΠΙ ΑΣΦd =?cm behind the surface of the ball

Answered: Image /qna-images/answer/48fd615f-9955-441f-a9c4-b2b480fb5356.jpg

Answered: Part A You look at yourself in a shiny…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter37: Reflection And Images Formed By Reflection

Section: Chapter Questions

Problem 3PQ

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A concave mirror has a radius of curvature of 60.0 cm. Calculate the image position and magnification of an object placed in front of the mirror at distances of (a) 90.0 cm and (b) 20.0 cm. (c) Draw ray diagrams to obtain the image characteristics in each case.
(a) A concave spherical mirror forms an inverted image 4.00 times larger than the object. Assuming the distance between object and image is 0.600 m, find the focal length of the minor, (b) What If? Suppose the mirror is convex. The distance between the image and the object is the same as in part (a), but the image is 0.500 the size of the object. Determine the focal length of the mirror.
People who do very detailed work close up, such as jewelers, often can see objects clearly at much closer distance than the normal 25 cm. (a) What is the power of the eyes of a woman who can see an object clearly at a distance of only 8.00 cm? (b) What is the image size of a 1.00-mm object, such as lettering inside a ring, held at this distance? (c) What would the size of the image be if the object were held at the normal 25.0 cm distance?
What is the focal length of a pane of window glass? (a) zero (b) infinity (c) the thickness of the glass (d) impossible to determine
A shopper standing 3.00 m from a convex security mirror sees his image with a magnification of 0.250. (a) Were is his image? (b) What is the focal length of the minor? (c) What is its radius of curvature?
Construct ray diagrams to determine whether each of the following statement is true (T) or false (F). (a) For an object at a concave mirrors center of curvature, the image is real and inverted. (b) As an object approaches the focal point of a concave mirror, the image size shrinks to zero. (c) For an object in front of a convex mirror, the image is always virtual and upright.
An object 1.50 cm high is held 3.00 cm from a person’s cornea, and its reflected image is measured to be 0.167 cm high. (a) What is the magnification? (b) Where is the image? (c) Find the radius of curvature of the convex mirror formed by the cornea. (Note that this technique is used by optometrists to measure the curvature of the cornea for contact lens fitting. The instrument used is called a keratometer, or curve measurer.)
A concave spherical mirror has a radius of curvature of magnitude 24.0 cm. (a) Determine the object position for which the resulting image is upright and larger than the object by a factor of 3.00. (b) Draw a ray diagram to determine the position of the image. (c) Is the image real or virtual?
If you look at yourself in a shiny Christmas tree ball with a diameter of 9.7 cm when your face is 18.2 cm away from it, how far is your image from the surface of the ball (in cm)? In your written answer, also indicate (a) whether your image is in front of or behind the surface of the ball, (b) whether the image is real or virtual, and (c) whether the image is upright or inverted.
HW7 Q5 A person 1.9 m tall stands 0.82 m from a reflecting globe in a garden. If the diameter of the globe is 16 cm, where is the image of the person, relative to the surface of the globe?Express your answer using two significant figures and in cm. How large is the person's image? Express your answer using two significant figures and in cm.
The radius of curvature of a spherical concave mirror is 16.0 cm. Describe the image formed when a 20.0-cm-tall object is 11.0 cm from the mirror. What is the image distance ?A, measured in centimeters (cm)? ?A= ? cm What is the image height ℎA, measured in centimeters (cm)? ℎA= ? cm Describe the image formed when a 20.0-cm-tall20.0-cm-tall object is 16.0 cm from the mirror. What is the image distance ?B, measured in centimeters (cm)? ?B= ? cm What is the image height ℎB, measured in centimeters (cm)? ℎB= ? cm Describe the image formed when a 20.0-cm-tall object is 80.0 cm from the mirror. What is the image distance ?C, measured in centimeters (cm)? ?C= ? cm What is the image height ℎC, measured in centimeters (cm)? ℎC= ? cm

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Part A You look at yourself in a shiny 9.4 cm -diameter Christmas tree ball. If your face is 21.0 cm away from the ball's front surface, where is your image? Express your answer using two significant figures. ΕΠΙ ΑΣΦ d = ? cm behind the surface of the ball