Question

You hold a spherical salad bowl 70 cm in front of your face with the bottom of the bowl facing you. The salad bowl is made of polished metal with a 40-cm radius of curvature.

Part A)

Where is the image of your 5.0-cm- tall nose located? Follow the sign rules.

Express your answer to two significant figures and include the appropriate units.

Part B)

What is the image's size?

Express your answer to two significant figures and include the appropriate units.

Part C)

What is the image's orientation?

erect

inverted     

Part D)
What is the image's nature?

real

virtual

Answer 1

The focal length is, 40 20 cm lu V -uf 70) (20) 70+ 20 --15.56 cm v 15.56 cm Calculate the image size using the expression of the magnification. Lu ject (-15.56) /h 70 hobject (- ) 15.56 Omage70 (50) =- Magnification is positive so the image is erect The image is vrtual