Question

what is meant by dimensional formula?write down the dimensional furmulae of acceleration,work,density and frequency.

Answer 1

$\huge{\textbf{\green{HELLO \: DEAR}}}$

⭐️ WHAT IS MEANT BY DIMENSIONAL FORMULA ??
➡️ The dimensional formula of a physical quantity is an expression which gives the fundamental units on which the physical quantity depends and the nature of the dependence.


⭐️ DIMENSIONAL FORMULA OF :

1] ACCELERATION : LT^-2
2] WORK : ML^2T^-2
3] DENSITY : ML^-3
4] FREQUENCY : T^-1



[ JUST TO SAY ➡️ "^" sign indicates "to the power". For example, 3^2 = 3×3 = 9 ]



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Answer 2

Dimensional Formula is an equation obtained by equating a physical quantity with its dimensional formula.

Dimensional formulas of :
1. Acceleration = [a] = [LT^-2]
as a =velocity/time

2.work =[w] =[ML^2T^-2]
as work = Force × distance

3. density= [d]= [ML^-3]
as density =mass/volume

4.frequency =[f]=[T^-1]
as frequency = 1/time period


hope it helps u ^-^