Question

the molecular Movement in matter increase on​

Answer 1

Answer:

heating

Explanation:

did you get it ??

Answer 2

Answer:

velocity is your own answerIn the above diagram,L

1

and L

2

are two convex lenses, O be the point object and I

1

and I

2

are the images obtained by the lens L

1

and L

2

.

Let P

1

and P

2

are the power of the lenses, and f

1

andf

2

are the focus length of the two lenses then,

f

1

1

=

v

1

1

−

u

1

−−−−−−−−−−(1)

f

2

1

=

v

1

−

v

1

1

−−−−−−−−−−(2)

By adding the equation (1) and (2)

v

1

−

u

1

=

f

1

1

+

f

2

1

So, We know that ,

P=

f

1

So P=

f

1

1

+

f

2

1

Then, P=P

1

+P

2

.

solution