1
1. -
. : 1) , .
.2) - .3) :
. . ().
,
. , .
.pV = RT, pV = RT = const
. PV=VRT. - ,
.1) .T=const
m= const, pV= const.2) . P=const .
. (- 3) .
V=const. . t.
3. A+a ---- B+b (A , - , ,
.) ΔE = (mB + mb)c2 (mA + ma) + c2
2
1.
. 2 : 1)
. 2) : - ( ); (
); ( ) - Q-
. Q.=Q. ,
, . ΔQ = cmΔt -
( ).
. Q=ΔU+A1) (V = const)
,A = 0. , Q = ΔU = U (T2) U (T1), U (T1) U (T2)
.2) A=pΔV3)
, , , Q = A.
- - 1- - 1 . c=Q/mΔt.
3. T=2π√LC( ), L , C W=CU2/2; =Tv; V=c
3
1. : - ,
. : ,
|
|
, . : ,
.1) . 2) A.
3) . ()
- (, ) ..
=A/A*100%.
3. hע()=A + mv2, h , ¥ -
hע()=A + mv2max/2; hc/λ = A + mv2max/2
4
1. - . . :
. , (
)
q=n* e () n- , e- , e= -1,6*10-19K.
, .
- ,
. .
,
. ξ= =
k = , k = 9 * 10 9
3. p = m = E = mc 2 =
5
1. - , ,
. () -
, . . E= .(/)
- . E = -
, . E =
. . .
( + -) -
. EA=E1+E2+E3+
3. N = (N , -
, t , T1/2 .)
6
1. .
- . -
. ,
, . I=U/R
. I=q/t 1A. .
|
|
. I=V/RV- , IR- -
R=
(p- .)
, . R=R0(1+αΔt) R0 0 t0, Δt- ,
α- .
3. E=kq/sr2F = Bvqsina (v- , B- , q - )B =
7
1.
.
. :
1) .2) .3)
,
,
,
= /q
.I=/R+r, R , r . I.=ξ/r-
. - ,
I=ξ/R+r. -
.ή = A/A.=IVΔt/IξΔt = v/ξ = IR/I(R+r)
3. , n = , =
8
1. - () , . ,
, 1 =q/φ(C- ) ,
, . .
.
. =q/U (). : , , ,
: , , , , .
,
.
=ξξ0S/d (d )