1.

What are the dimensions of the quantity l√l/g,l being the length and g the acceleration due to gravity​

Answer»

Answer:

The dimensions of L × √(l/g) are [L][T]

Explanation:

We have to find the dimensions of the quantity

l\times \sqrt{l/g}l×

l/g

We know that

Dimension of LENGTH l = [L][L]

Dimensions of acceleration due to GRAVITY g = [LT^{-2}][LT

−2

]

Therefore, dimensions of l × √(l/g)

=[L]\times\sqrt{[L]/[LT^{-2}]}=[L]×

[L]/[LT

−2

]

=[L]\times\sqrt{[T^{2}]}=[L]×

[T

2

]

=[L]\times{[T^{2}]^{1/2}

=[L][T]=[L][T]

Therefore the dimensions of l × √(l/g) are [L][T]


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