Afsana is using a cake recipe where the cake should be baked in a pan of 12 inches diameter .If she uses half the amount of the recipe ingredients to make a cake of the same depth ,by what factor should she change diameter of the pan ?
Solution
Correct Answer: Option B
এখানে ,
(d/2)²=2×(d₁/2)²
বা, (d/2)²=(√2.d₁/2)²
বা,d/2=√2.d₁/2)
বা,d=√2.d₁
বা,d₁=1/√2×d
(d/2)²=2×(d₁/2)²
বা, (d/2)²=(√2.d₁/2)²
বা,d/2=√2.d₁/2)
বা,d=√2.d₁
বা,d₁=1/√2×d
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