A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power [NCERT Exemplar Problems]
A. + 0.5 D
B. – 0.5 D
C. + 0.2 D
D. – 0.2 D
Answer:B
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power [NCERT Exemplar Problems]
A. + 0.5 D B. – 0.5 D C. + 0.2 D D. – 0.2 D