Long-sight defect could be corrected by using __________ lens?
Long-sight defect could be corrected by using __________ lens?
لینس کے استعمال سے طویل نظر کی خرابی کو کیسےدرست کیا جا سکتا ہے؟
Explanation
Short-sight defect could be corrected by using concave lens while long-sight defect could be corrected by using convex lens.