1. A 138.0 g metal block absorbs 4.512 10 3 J of heat to increase its temperature from 25C to 110C. What is the substance?

5.    A 5.0 cm object is 10.0 cm to the left of a convex lens with a focal length of +7.0 cm.

a.)  Draw a ray diagram of the setup showing the location of the image.

b.)  Calculate the distance of the image from the lens.

c.)  Calculate the height of the image and identify the type of image (virtual, real, upright, inverted)

Answer: