alleryਦਿੱਤੇ ਗਏ ਬੰਦ ਆਇਤਨ ਲਈ ਕਿਸ ਠੋਸ ਪਦਾਰਥ ਦਾ ਸਤ੍ਹਾ ਖੇਤਰਫਲ ਸਭ ਤੋਂ ਘੱਟ ਹੈ?
Aਕੋਨ
Bਘਣ
Cਗੋਲਾ
Dਸਿਲੰਡਰ
Answer & Solution
Correct answer: C. ਗੋਲਾ
ਸਾਬਣ ਦੇ ਬੁਲਬੁਲੇ ਗੋਲਾਕਾਰ ਹੁੰਦੇ ਹਨ ਕਿਉਂਕਿ ਗੋਲਾ ਇੱਕ ਨਿਸ਼ਚਿਤ ਆਇਤਨ ਲਈ ਸਤ੍ਹਾ ਦੇ ਖੇਤਰ ਨੂੰ ਘੱਟ ਤੋਂ ਘੱਟ ਕਰਦਾ ਹੈ।
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