Answer to Question #39403 in Mechanics | Relativity for haily

Question

1) (A/F)=[(Xb4)/(Ye)] (c/d) consider above A represents the volume,while the dimensions [X]=[Y] and
[c][F]/[b]=[e]/[d] and [b]=[d] Then, the SI units of b is equals to the SI units of,


2) Which of the following measuring instruments can be used to measure 0.1mm type changes in length caused by fluctuating temperature levels of a 0.8325m long copper cable?
a) Micrometer screw gauge
b) Spherometer
c) Metre ruler
d) Standardized vernier caliper
e) Travelling microscope

I. a,c and e only
II. Only a
III. Only c
IV. b, d and e only
V. Everything except b