Question 3
If the magnification of a virtual image formed of an object 10cm from a convex lens is 3cm. then the focal length of thee lens is
Objective
Question details
- Exam body
- UNIPORT
- Subject
- Physics
- Year
- 2009/2010
- Question no.
- #3
- Type
- Objective
More from this paper
- Q1A weight of 100 grams hangs from a lever 20cm to the right of the fulcrum. At…
- Q5A simple pendulum with a period of 2.0s has its length doubled. Its new period…
- Q6In order to find the depth of the sea, a ship sends out a sound wave and…
- Q7A uniform cylindrical block of wood floats in water with one-third of its height…
- Q8The resistance of a platinum wire at the ice and steam point are 0.75Ω and…
- Q9The electrochemical equivalent of platinum is 5.0 × 10 -7 kg/c. to…