Answered

Explore Westonci.ca, the top Q&A platform where your questions are answered by professionals and enthusiasts alike. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

A concave cosmetic mirror has a focal length of 40 cm . A 4.0-cm-long mascara brush is held upright 20 cm from the mirror.
a) Use ray tracing to determine the location of its image
b) What is the height of the image? Use ray tracing to determine.

Sagot :

okpalawalter8

The location of  image and the height of the image is mathematically given as

di = -40 cm

h=8 cm

The location of  image and the height of the image

upright and enlarged

Question Parameters:

Generally the equation for the   is mathematically given as

using mirror equation

1/f = (1/do) + (1/di)

Therefore

1/40 = (1/20) + (1/di)

di = -40 cm

Therefore, Magnification

m = -di/do = hi/h\

m = 40/20 = hi/4

m = 2 = hi/4

image height is

hi = 4*2

h=8 cm

upright and enlarged

For more information on Lens

https://brainly.com/question/13644773

Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. We're glad you visited Westonci.ca. Return anytime for updated answers from our knowledgeable team.