Ans. P = ?फोकस दूरी, f = -2m = -22cm
Class 10 Science, Class 11 History, Class 12 Physics, Class 6 Science, Class 7 Science, Class 8 Science, Class 9 Science
Ans. P = ?फोकस दूरी, f = -2m = -22cm
Class 10 Science, Class 11 History, Class 12 Physics, Class 6 Science, Class 7 Science, Class 8 Science, Class 9 Science