Two microcuries is
a. 200,000 Ci
b. 0.0002 Ci
c. 0.00002 Ci
d. 0.000002 Ci
e. 0.00000002 Ci
Question 2
The image formed by a candle located outside the focal point of a converging lens is real, inverted, and may be magnified or reduced in size, as shown. How could you experimentally distinguish between a real and a virtual image?
a. A real image will be projected on a piece of paper placed at the position of the image.
b. A virtual image will be projected on a piece of paper located at the position of the image.
c. One cannot distinguish between the two; both a. and b. are correct.
d. One cannot distinguish between the two; both a. and b. are incorrect.
