alleryدیئے گئے منسلک حجم کے لیے کون سا ٹھوس سطح کا کم سے کم رقبہ رکھتا ہے؟
Aمخروط
Bمکعب
Cکرہ
Dسلنڈر
Answer & Solution
Correct answer: C. کرہ
صابن کے بلبلے کروی ہوتے ہیں کیونکہ کرہ ایک مقررہ حجم کے لیے سطح کے رقبے کو کم کرتا ہے۔
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