alleryଗୋଟିଏ ସିଲିଣ୍ଡରର ବ୍ୟାସାର୍ଦ୍ଧକୁ ଦୁଇଗୁଣ କରାଯାଇଛି ଏବଂ ଏହାର ଉଚ୍ଚତାକୁ ଅଧା କରାଯାଇଛି। ଏହାର ଆୟତନ କ’ଣ ହେବ?
Aଏହା ଚାରି ଗୁଣ ହୋଇଯାଏ
Bଏହା ଅଧା ହୋଇଯାଏ
Cଏହା ଅପରିବର୍ତ୍ତିତ ରହେ
Dଏହା ଦୁଇଗୁଣ ହୋଇଯାଏ
Answer & Solution
Correct answer: D. ଏହା ଦୁଇଗୁଣ ହୋଇଯାଏ
ଆୟତନ r ସ୍କୋୟାର ଗୁଣନ h ଅନୁସାରେ ବୃଦ୍ଧି ପାଏ, ତେଣୁ 4 x 1/2 = 2 ଏବଂ ଆୟତନ ଦୁଇଗୁଣ ହୋଇଯାଏ।
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