1.

Consider the following statements
1. Compound microscope has an objective lens with a very short focal length
2. Simple microscope consists of a strong converging lens system
3. Television camera converts the optical images into electrical video signals
4. Hypermetropia is corrected by using a diverging lens. Which of theses statement is / are correct ?
Codes

A. 4 only
B. 2 and 3
C. 1, 2 and 3
D. 3. and 4
Answer» D. 3. and 4


Discussion

No Comment Found