Per NCERT §1.5, the dimensional formula of ENERGY (joule) is which?
A[M L T⁻²]
B[M L⁻² T⁻²]
C[M L² T⁻¹]
D[M L² T⁻²]
Answer & Solution
Correct answer: D. [M L² T⁻²]
NCERT Ex 1.4: energy = F × distance = [M L T⁻²][L] = [M L² T⁻²].
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