Question

assertion :positive thinking leads to good results for you reasons : overcoming challenges and making you do well or making you an energetic individual
a: both a and r are true
b:both a and r are true but r is not the correct explanation for a
c:a is true but r is false
d:a is false but r is true​

Answer 1

Answer:

L=2m,

d=3mm,A=

4

9π

×10

−6

m

2

ΔL=

4

9π

×10

−6

×10

11

30×2

=8.48×10

−5

m=0.085mm

.