Question

Chapter 4 Units and Dimensions
Subjective Questions
1. In the expression y = a sin (ot+0), yis the displacement and t is the time. Write the dimensi
of a,o and e.
2. Young's modulus of steel is 2.0 x 1011 N/m2. Express it in dynelem​

Answer 1

Explanation:

in y=asin(ot+0)

(ot+0)=M0L0T0 (dimensionless)

o=T-1

a=L

Answer 2

Answer:

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