Question

एक तार में 5 m A की धारा बह रही है । तार के अनुप्रस्थ - काट से प्रति मिनट कितने इलेक्ट्रॉन गुजरते हैं ?

Answer 1

Explanation:

iven: The volumes of two cubes are in the ratio 8:1.

To find: The ratio of their edges.

Answer:

Let the edge of one cube be 'a' and the other be 'b'.

Now, volume of a cube = side³.

\implies\ \sf Volume_{cube\ 1}\ =\ a^3\ and\ Volume_{cube\ 2}\ =\ b^3.⟹ Volume

cube 1

= a

3

and Volume

cube 2

= b

3

.

\begin{lgathered}\sf \dfrac{Volume_{cube\ 1}}{Volume_{cube\ 2}}\ =\ \dfrac{8}{1}\\\\\\\dfrac{a^3}{b^3}\ =\ \dfrac{8}{1}\\\\\\\bigg(\dfrac{a}{b}\bigg)^3\ =\ \dfrac{8}{1}\\\\\\\dfrac{a}{b}\ =\ \sqrt[3]{\bigg(\dfrac{8}{1}\bigg)} \\\\\\\dfrac{a}{b}\ =\ \dfrac{2}{1}\end{lgathered}

Volume

cube 2

Volume

cube 1

=

1

8

b

3

a

3

=

1

8

(

b

a

)

3

=

1

8

b

a

=

3

(

1

8

)

b

a

=

1

2