alleryଏକ ନିର୍ଦ୍ଦିଷ୍ଟ ଆବଦ୍ଧ ଘନଫଳ ପାଇଁ କେଉଁ କଠିନ ବସ୍ତୁର ସର୍ବନିମ୍ନ ପୃଷ୍ଠତଳ କ୍ଷେତ୍ରଫଳ ଥାଏ?
Aଶଙ୍କୁ
Bଘନକ
Cଗୋଲକ
Dସିଲିଣ୍ଡର
Answer & Solution
Correct answer: C. ଗୋଲକ
ସାବୁନ ଫୋଟକା ଗୋଲାକାର ହୋଇଥାଏ କାରଣ ଗୋଲକ ଏକ ନିର୍ଦ୍ଦିଷ୍ଟ ଘନଫଳ ପାଇଁ ପୃଷ୍ଠତଳ କ୍ଷେତ୍ରଫଳକୁ ସର୍ବନିମ୍ନ କରିଥାଏ।
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