Question
Take Test: Homework 7- × Secure https//bblearn.atu.edu/webapps/assessment/take/launch.jsp?course assessment id-179377_18course_id- 35921. 18icontent id -1617040 18 Question Completion Status: QUESTION 5 An object is placed 90 cm from a convex spherical mirror with a focal length of 60 cm. An image will form at a point... .cm from the mirror QUES TION 6 In the previous problem the image formed by the mirror is real e True False QUESTION 7 image will form at... from the A reflecting spherical Christmass tree omament has a diameter of 12 cm. A child looks at the ornament from a distance of 18cm A. omament e a virtual, 2 75cm b.real, 2.75cm evirtual, 30cm d real, 30cm QUESTION 8 In the previous problem, the image formed by the ornament is larger than the the child e True e False Click Save and Submit to save and submit. Cliek Save All Ansvers to save all answers. Save All Answers Search the web and Windows
Explanation / Answer
Here ,
5) f = - 60 cm
object distance , do = 90 cm
usingf mnirror formula
1/f = 1/di +1/do
-1/60 = 1/di + 1/90
di = - 36 cm
the image will form at -36 cm
6) as the image is virtual
hence , this is False