Fizika (06.04.2026) 2-smena

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Fizika formulalar varaqasi / Лист формул по физике

Doimiy fizik kattaliklar / Физические постоянные

Kattalik	Qiymati
Erkin tushish tezlanishi	$g \approx 10\ \text{m/s}^2$
Gravitatsiya doimiysi	$G = \frac{20}{3}\cdot10^{-11}\ \frac{\text{N}\cdot\text{m}^2}{\text{kg}^2}$
Universal gaz doimiysi	$R = 8{,}31\ \text{J/(mol}\cdot\text{K)}$
Bolsman doimiysi	$k = 1{,}38\cdot10^{-23}\ \text{J/K}$
Avogadro soni	$N_A = 6\cdot10^{23}\ \text{mol}^{-1}$
Elementar zaryad	$e = 1{,}6\cdot10^{-19}\ \text{C}$
Kulon qonuni koeffitsiyenti	$k = 9\cdot10^{9}\ \frac{\text{N}\cdot\text{m}^2}{\text{C}^2}$
Elektr doimiysi	$\varepsilon_0 = 8{,}85\cdot10^{-12}\ \frac{\text{F}}{\text{m}}$
Magnit doimiysi	$\mu_0 = 4\pi\cdot10^{-7}\ \text{N/A}^2$
Yorug'likning vakuumdagi tezligi	$c = 3\cdot10^{8}\ \text{m/s}$
Plank doimiysi	$h = 4{,}125\cdot10^{-15}\ \text{eV}\cdot\text{s}$
Plank doimiysi	$h = 6{,}6\cdot10^{-34}\ \text{J}\cdot\text{s}$

O'nli old qo'shimchalar / Десятичные приставки

Old qo'shimcha	Ko'paytuvchi
T — tera	$10^{12}$
G — giga	$10^{9}$
M — mega	$10^{6}$
k — kilo	$10^{3}$
d — detsi	$10^{-1}$
c — santi	$10^{-2}$
m — milli	$10^{-3}$
$\mu$ — mikro	$10^{-6}$
n — nano	$10^{-9}$
p — piko	$10^{-12}$

Mexanika / Механика

v=\frac{\Delta S}{\Delta t};\quad a=\frac{\Delta v}{\Delta t};\quad S=v_0t+\frac{at^2}{2};\quad \omega=\frac{\Delta\varphi}{\Delta t};\quad \varepsilon=\frac{\Delta\omega}{\Delta t};\quad \varphi=\omega_0t+\frac{\varepsilon t^2}{2};

\omega=2\pi\nu;\quad v=\omega r;\quad \nu\cdot T=1;\quad v=v_0\pm gt;\quad h=v_0t\pm\frac{gt^2}{2};

v_{0x}=v_0\cos\alpha;\quad v_{0y}=v_0\sin\alpha;\quad t_u=\frac{2v_{0y}}{g};\quad h_{max}=\frac{v_{0y}^2}{2g};\quad S=v_{0x}\cdot t_u;

\vec{a}=\vec{a}_\tau+\vec{a}_n;\quad a_n=\frac{v^2}{r};\quad m=\rho V;\quad \vec{a}=\frac{\vec{F}}{m};\quad \vec{F}_1=-\vec{F}_2;\quad F_{el}=-k\Delta\ell;

a=g(\sin\alpha\pm\mu\cos\alpha);\quad \vec{p}=m\vec{v};\quad \vec{F}\Delta t=\Delta\vec{p};\quad E_k=\frac{mv^2}{2};

M=F\ell;\quad F_1\ell_1=F_2\ell_2;\quad F_{ish}=\mu N;\quad N=\frac{A}{t}=\vec{F}\vec{v};

A=FS\cos\alpha;\quad E_p=mgh;\quad E_k+E_p=\text{const};\quad \vec{P}=m(\vec{g}-\vec{a});

g=\frac{GM}{R^2};\quad v_1=\sqrt{gR};\quad v_2=\sqrt{2gR};\quad x=A\cdot\sin(\omega t+\varphi_0);\quad v=\sqrt{\frac{T}{\rho_{ch}}};

v=\sqrt{\frac{E}{\rho}};\quad \omega=\sqrt{\frac{k}{m}};\quad T=2\pi\sqrt{\frac{m}{k}};\quad \omega=\sqrt{\frac{g}{\ell}};\quad T=2\pi\sqrt{\frac{\ell}{g}};\quad \Delta\ell=\ell-\ell_0;

\varepsilon=\frac{\Delta\ell}{\ell_0};\quad k=\frac{ES}{\ell_0};\quad F_A=\rho_sV_bg;\quad p=\rho gh;\quad S_1v_1=S_2v_2;

V_b=\frac{\rho_jV_j}{\rho_s};\quad p+\rho gh+\frac{\rho v^2}{2}=\text{const}.

Molekulyar fizika / Молекулярная физика

\nu=\frac{N}{N_A}=\frac{m}{M};\quad n=\frac{N}{V};\quad d=\sqrt[3]{\frac{VM}{mN_A}};\quad \rho=nm_0;

p=\frac{2}{3}n\bar{E}_k=\frac{1}{3}\rho\bar{v}^2=nkT;\quad \bar{E}_k=\frac{m_0\bar{v}^2}{2}=\frac{3}{2}kT;

\bar{v}=\sqrt{\frac{3RT}{M}}=\sqrt{\frac{3kT}{m_0}};\quad T=t+273;

pV=\nu RT;\quad p=\frac{\rho}{M}RT;\quad \frac{pV}{T}=\text{const};\quad Q=\Delta U+A;

A=p\Delta V;\quad \Delta U=\frac{3}{2}(p_2V_2-p_1V_1)=\frac{3}{2}\nu RT;\quad C=\frac{Q}{T_2-T_1};

c=\frac{Q}{m(T_2-T_1)};\quad \lambda=\frac{Q}{m};\quad r=\frac{Q}{m};\quad q=\frac{Q}{m};

\eta=\frac{Q_1-Q_2}{Q_1}\cdot100\ \%=\frac{T_1-T_2}{T_1}\cdot100\ \%;\quad F=\sigma l;

\sigma=\frac{F}{S};\quad \sigma=E|\varepsilon|;\quad W=\sigma S;\quad h=\frac{2\sigma}{\rho gr};\quad \Delta p=\frac{2\sigma}{R};

\rho=\frac{m}{V};\quad \varphi=\frac{\rho}{\rho_0}\cdot100\ \%=\frac{p}{p_0}\cdot100\ \%.

Elektr va magnetizm / Электричество и магнетизм

F=\frac{k|qQ|}{\varepsilon r^2};\quad E=\frac{k|Q|}{\varepsilon r^2};\quad F=qE;\quad \varphi=\frac{kQ}{\varepsilon r};\quad W_p=q\varphi;

E=\frac{\varphi_1-\varphi_2}{d};\quad A=q(\varphi_1-\varphi_2);\quad W_{el}=\frac{qU}{2};\quad C=\frac{\varepsilon\varepsilon_0S}{d};\quad q=CU;

W=\frac{\varepsilon\varepsilon_0E^2}{2};\quad C_p=C_1+C_2+\cdots+C_N;\quad \frac{1}{C_{k-k}}=\frac{1}{C_1}+\frac{1}{C_2}+\cdots+\frac{1}{C_N};

E=\frac{U}{d}=\frac{\sigma}{\varepsilon\varepsilon_0};\quad I=\frac{U}{R};\quad Q=I^2Rt;\quad P=IU;\quad I=ne\bar{v}S;\quad j=\frac{I}{S};

q=It;\quad E=\rho j;\quad R=\frac{\rho l}{S};\quad R=R_0(1+\alpha\Delta t);\quad R_{k-k}=R_1+R_2+\cdots+R_N;

\frac{1}{R_p}=\frac{1}{R_1}+\frac{1}{R_2}+\cdots+\frac{1}{R_N};\quad \mathcal{E}=\frac{A_{chet}}{q};\quad I=\frac{\mathcal{E}}{R+r};\quad \eta=\frac{R}{R+r}=\frac{U}{\mathcal{E}};

I_a=kU^{\frac{3}{2}};\quad T=2\pi\sqrt{LC};\quad \omega=\frac{1}{\sqrt{LC}};\quad W=\frac{q^2}{2C}+\frac{LI^2}{2};

Z=\sqrt{R^2+\left(\omega L-\frac{1}{\omega C}\right)^2};\quad I=\frac{U}{Z};\quad \cos\varphi=\frac{R}{Z};\quad P=I^2R=IU\cos\varphi;

I=\frac{I_0}{\sqrt{2}};\quad U=\frac{U_0}{\sqrt{2}};\quad B=\frac{\mu_0I}{2\pi R};\quad B=\frac{\mu_0I}{2R};\quad F=\frac{\mu\mu_0I_1I_2}{2\pi d}l;

F_A=BIl\sin\alpha;\quad F_L=qvB\sin\alpha;\quad R=\frac{mv}{qB};\quad T=\frac{2\pi m}{qB};\quad \omega=\frac{qB}{m};

\Phi=NBS\cos\alpha;\quad \Phi=LI;\quad W=\frac{\Phi I}{2}=\frac{LI^2}{2};\quad \mathcal{E}=-\frac{\Delta\Phi}{\Delta t}=-L\frac{\Delta I}{\Delta t}.

Optika, kvant, atom va yadro fizikasi. Nisbiylik nazariyasi

n=\frac{c}{v}=\sqrt{\varepsilon\mu};\quad \frac{\sin\alpha}{\sin\beta}=\frac{n_2}{n_1};\quad \pm\frac{1}{F}=\frac{1}{d}\pm\frac{1}{f};\quad D=\pm\frac{1}{F};

k=\frac{f}{d};\quad \frac{1}{F}=\left(\frac{n_l}{n_m}-1\right)\left(\pm\frac{1}{R_1}\pm\frac{1}{R_2}\right);\quad I=\frac{P}{S}=\mathcal{W}v;\quad I\sim\omega^4;

d\sin\varphi=k\lambda;\quad \lambda_m=\frac{b}{T};\quad I=\frac{I_0}{2};\quad I=I_0\cos^2\alpha;\quad I=\frac{\Phi}{\Omega};

E=\frac{\Phi}{S}=\frac{I}{R^2}\cos\varphi;\quad E=h\nu;\quad p=\frac{h\nu}{c}=\frac{h}{\lambda};\quad I=\frac{N}{S\cdot t}h\nu;

h\nu=A_{ch}+E_k^{max};\quad E_k^{max}=eU_{yop};\quad h\nu_{min}=\frac{hc}{\lambda_{max}}=A_{ch};

E_n=\frac{E_1}{n^2};\quad E_1=-13{,}6\ eV;\quad h\nu=E_n-E_m;\quad m_ev_nr_n=n\hbar;

r_n=n^2r_B;\quad v_n=\frac{v_1}{n};\quad E_{bog'}=\Delta mc^2;\quad E_{sol}=\frac{E_{bog'}}{A};

A=-\frac{dN}{dt};\quad N=N_0e^{-\lambda t}=N_0 2^{-\frac{t}{T}};\quad \lambda T=\ln 2\approx0{,}7;

\tau=\frac{\tau_0}{\sqrt{1-\frac{v^2}{c^2}}};\quad l=l_0\sqrt{1-\frac{v^2}{c^2}};\quad \rho=\frac{\rho_0}{1-\frac{v^2}{c^2}};\quad v=\frac{v_1+v_2}{1\pm\frac{v_1v_2}{c^2}};

m=\frac{m_0}{\sqrt{1-\frac{v^2}{c^2}}};\quad E_0=m_0c^2;\quad E=mc^2;\quad \vec{p}=m\vec{v};

E_k=(m-m_0)c^2;\quad E^2-c^2p^2=m_0^2c^4.

Moddalar va ularning xossalari / Вещества и их свойства

Zichlik (kg/m$^3$) / Плотность

Modda	Zichlik
benzin	700
kerosin	800
suv (4 °C)	1000
spirt	800
simob	13600
alyuminiy	2700
muz	900
mis	8900
po'lat	7800
temir	7800

Solishtirma issiqlik sig'imi (J/(kg·K)) / Удельная теплоёмкость

Modda	Qiymat
alyuminiy	900
mis	380
muz	2100
oltin	120
rux	400
suv	4200
temir	450
cho'yan	500

Molyar massa (g/mol) / Молярная масса

Modda	M
argon (Ar)	40
azot ( $N_2$ )	28
geliy (He)	4
neon (Ne)	20
havo	29
suv ( $H_2O$ )	18
karbonad angidrid ( $CO_2$ )	44
mis (Cu)	64
alyuminiy (Al)	27
kislorod ( $O_2$ )	32
vodorod ( $H_2$ )	2

Boshqa kattaliklar

Kattalik	Qiymat
Muzning solishtirma erish issiqligi (0 °C)	$330\cdot10^{3}\ \text{J/kg}$
Suvning solishtirma bug'lanish issiqligi (100 °C)	$2{,}3\cdot10^{6}\ \text{J/kg}$
Benzinning yonish issiqligi	$46\cdot10^{6}\ \text{J/kg}$
Neftning yonish issiqligi	$44\cdot10^{6}\ \text{J/kg}$
Spirtning yonish issiqligi	$29\cdot10^{6}\ \text{J/kg}$
Tabiiy gazning yonish issiqligi	$44\cdot10^{6}\ \text{J/kg}$
Toshko'mirning yonish issiqligi	$29\cdot10^{6}\ \text{J/kg}$
Yog'ochning yonish issiqligi	$10\cdot10^{6}\ \text{J/kg}$

Sirt taranglik koeffitsiyenti (20 °C), $10^-3$ N/m

Modda	Qiymat
benzin	21
kerosin	24
suv	73
spirt	22
sovun eritmasi	40
simob	510

O'tkazgichlarning solishtirma qarshiligi (20 °C), $10^-8\ \Omega\cdot$m

Modda	Qiymat
mis	1,7
alyuminiy	2,8
volfram	5,5
temir	9,8
nikelin	40
nixrom	110

Nur sindirish ko'rsatkichi / Показатель преломления

Modda	n
suv	$4/3$
shisha	1,5
yoqut	1,76
olmos	2,42

Ayrim birliklar o'rtasidagi munosabat va normal sharoit

Munosabat	Qiymat
0 °C	$273\ \text{K}$
1 u	$1{,}66\cdot10^{-27}\ \text{kg}$
1 eV	$1{,}6\cdot10^{-19}\ \text{J}$
1 mm Hg	$133{,}3\ \text{Pa}$
Normal bosim	$10^{5}\ \text{Pa}$
Normal temperatura	$0\ ^\circ\text{C}$

Shartli belgilar / Условные обозначения

× ×— magnit induksiya chiziqlari o'quvchidan qog'oz tekisligiga tik yo'nalgan
• •— magnit induksiya chiziqlari qog'oz tekisligidan o'quvchiga tik yo'nalgan
⊕— o'tkazgichdagi tok o'quvchidan qog'oz tekisligiga tik yo'nalgan
⊙— o'tkazgichdagi tok qog'oz tekisligidan o'quvchiga tik yo'nalgan

Eslatma: bu formulalar yordam sifatida tavsiya qilinadi.

OX

o'qida harakatlanayotgan jismning grafigi keltirilgan. Jismning harakatlangan vaqtini (s) aniqlang.

Bikirliklari

2k

3k

bo'lgan prujinalar ketma-ket ulandi. Umumiy bikirlikni toping.

Quyidagi rasmda A, B, C bloklar berilgan.

Blok tezlanishlari munosabatini aniqlang.

Jism gorizontga burchak ostida 10 m/s tezlik bilan otildi. Jismning maksimal balandlikdagi egrilik radiusi 3,6 m ga teng. Jismning uchish vaqtini (s) toping.

Jismning sayyora qutbidagi og'irligi ekvatordagi og'irligidan 1,2 marta katta. Sayyoraning burchak tezligi

\omega = 0,5\cdot10^{-3}

rad/s, erkin tushish tezlanishi

g = 6

m/s

^2

ga teng. Sayyora radiusini (km) toping.

Gorizontga burchak ostida otilgan jismning maksimal potensial energiyasi to'la energiyaning 75 % ini tashkil qiladi. Jismning uloqtirish burchagini aniqlang.

Massasi 650 kg bo'lgan vertolyot parragi havoni pastga 60 m/s tezlik bilan haydab bir muddat muallaq turib qoldi. Vertolyot dvigateli quvvatini (kW) aniqlang.

Bir jinsli sterjen rasmda ko'rsatilgandek osib qo'yilgan. Taranglik kuchlarining nisbatini (

F_1/F_2

) aniqlang.

Asosining yuzasi 400 cm

^2

ga teng idish bor. Idishda suv quyilgan. Suvda muz suzib yuribdi. Muz ichida 30 g metall qotishma bor. Muz erib tugagandan keyin idishdagi suv sathi qanchaga (mm) kamayadi? Qotishmaning zichligi 5 g/cm

^3

10.

Ko'ndalang to'lqin grafigi tasvirlangan. Tebranish amplitudasini (cm) toping.

11.

Uzunligi 1 m bo'lgan matematik mayatnikning tebranish davri 3 s. Sayyora sirtidagi erkin tushish tezlanishini (N/m) toping.

\pi \approx 3

12.

0,5 mol

C_3H_8

dagi vodorod atomlari sonini aniqlang.

N_A

— Avogadro soni.

13.

96 g kislorodning 10 % i disotsatsiyalandi. Idish ichidagi hosil bo'lgan zarralar (atom va molekular) sonini aniqlang.

N_A

— Avogadro soni.

14.

Teshikning diametri 5 mm bo'lgan tomizg'ichning ichida kerosin bor. Undan 200 ta tomchi tomizildi. Tomizg'ichdagi kerosinning hajmini (cm

^3

) toping.

15.

Hajmi 60 m

^3

bo'lgan xonada 1,2 kg bo'lgan suv bug'i bor. Xonadagi absolyut namlikni (g/m

^3

) aniqlang.

16.

FIK 20 % bo'lgan issiqlik dvigatelining sovitgichiga 64 kJ energiya berildi. Dvigatelning bir sikldagi bajargan ishini (kJ) aniqlang.

17.

Neytral jismdan

7\cdot10^{11}

ta elektron chiqarib olindi. Uning zaryadini (nC) aniqlang.

18.

Neytral atom yadrosida

2,24\cdot10^{-8}

zaryad mavjud. Uning elektron qobig'idagi elektronlar sonini aniqlang.

19.

Zaryadlari miqdori bir-biridan 3 marta farq qiluvchi turli ishorali zaryadlangan bir xil ikki shar o'zaro tekkizilib qayta 2 marta uzoq masofaga joylashtirildi. Bunda ularning ta'sir kuchlari qanday o'zgaradi?

20.

Radiusi 5 cm bo'lgan shar energiyasi 8,1 mJ ga teng. Zaryadning sirt zichligini (

\mu

C/m

^2

) aniqlang.

21.

O'tkazgich simdagi tok kuchi

I = 5t

[A] qonuniyat bo'yicha o'zgarayotgan bo'lsa, 4 s da undan qancha zaryad (C) oqib o'tadi?

22.

Elektr plita 3

\Omega

qarshilik orqali 160 V kuchlanish tarmog'iga ulangan. Plitadagi maksimal quvvat 1,6 kW ga teng. Elektr plita qarshiligi (

\Omega

) quyidagilardan qaysi sonlar bo'lishi mumkin?

23.

Metallning 0

^\circ

C dagi qarshiligi 40

\Omega

. Uning 30

^\circ

C temperaturadagi qarshiligini aniqlang. Metallning termik koeffitsiyenti 0,004 K

^{-1}

24.

Fazoning bir nuqtasida janubga tomon 0,3 T, g'arbga 0,9 T va sharqqa 0,5 T magnit induksiya hosil bo'lmoqda. Shu nuqtadagi natijaviy induksiyani (T) aniqlang.

25.

Magnit induksiyasi 40 mT bo'lgan g'altakka magnit singdiruvchanligi 250 ga teng bo'lgan modda kiritildi. Moddaning magnit induksiyasini (T) aniqlang.

26.

Induksiya vektori 0,9 mT, aktiv qarshiligi 1,5

\Omega

bo'lgan tomoni 10 cm lik kvadrat diogonali bo'yicha o'tadigan o'q atrofida

90^\circ

ga burilganda ramkadan qancha (

\mu

C) zaryad oqib o'tadi.

\pi \approx 3

27.

Induktivligi 90 mH bo'lgan g'altakka maksimal kuchlanishi 240 V bo'lgan kondensator ulandi. Kondensatorning sig'imi 0,4 nF ga teng. G'altakdagi maksimal tok kuchini (mA) aniqlang.

28.

Fokus masofasi 20 cm bo'lgan linzada buyumning 4/3 marta kattalashgan va to'g'ri tasviri hosil bo'ldi. Buyum bilan tasvir orasidagi masofani (cm) aniqlang.

29.

Ikki kogerent to'lqinning yo'llar farqi

1,5\lambda

ga teng. Ular uchrashganda qanday interferensiya kuzatiladi?

30.

Davri 2,3

\mu

m bo'lgan difraksion panjaraga to'lqin uzunligi 0,6

\mu

m bo'lgan to'lqin tik tushmoqda. Ekranda hosil bo'lgan maksimumlar sonini aniqlang.

31.

Fotoeffekt hodisasida katodga tushayotgan nurning to'lqin uzunligi 3 marta kamayganda fotoelektronlarning kinetik energiyasi qanday o'zgaradi?

32.

Qandaydir element elektronining 3-statsionar orbitadagi to'la energiyasi

-72

eV bo'lsa, 4-sathdagi potensial energiyani (eV) aniqlang.

Topshiriqlar (33-35) va javob variantlari (A-F) ni o'zaro moslashtiring.

33-35.

Quyida yig'ilgan elektr zanjir sxemasi berilgan. Bunda, kattaliklar quyidagiga teng:

R_1 = 6

\Omega

R_2 = 3

\Omega

R_3 = 7

\Omega

r_1 = 2

\Omega

r_2 = 1

\Omega

\mathcal{E}_1 = 36

\mathcal{E}_2 = 12

Javob variantlari:

4,8

2,4

3,6

2,4

36.

Rasmda keltirilgan sistema muvozanat holatida turibdi.

a) Sterjenning massasini (kg) aniqlang.

b) Prujinadagi elastiklik kuchini (N) aniqlang.

37.

Gorizontal sirtda jism tinch turibdi. Unga 1,5 s davomida 12 N kuch ta'sir qildi. Uning kinetik energiyasi 54 J ga ortdi.

a) Jismning maksimal tezligini (m/s) aniqlang.

b) Jismning massasini (kg) aniqlang.

38.

Massasi

m = 20

g lik sharcha

M = 480

g lik jismga

v = 250

m/s tezlik bilan urilib unga tiqilib qoldi.

k = 1250

N/m.

a) Jism olgan maksimal tezlikni (m/s) aniqlang.

b) Prujinaning maksimal siqilish masofasini (cm) toping.

39.

Yopiq klapanli idishda temperaturasi 27

^\circ

C li 120 kPa geliy gazi bor. Uning bosimi 160 kPa ga yetganda klapan ochiladi. Gaz 327

^\circ

C gacha qizdirilganda uning massasi 8 g ga kamaydi.

a) Gazning dastlabki massasini (g) toping.

b) Idishning hajmini (

\ell

) aniqlang.

40.

40 kg suvni 60 K temperaturaga isitish kerak.

a) Qancha elektr energiyasi (kW

\cdot

h) ishlatilgan?

b) Qancha tabiiy gaz (kg) yoqilgan?

41.

Radiusi 4 cm bo'lgan sharcha

-288

V potensialgacha zaryadlangan.

a) Shar sirtidagi elektr maydon kuchlanganligini (kV/m) aniqlang.

b) Shardagi ortiqcha elektronlar sonini aniqlang.

42.

O'zgaruvchan tarmoq kuchlanishining amplitudaviy qiymati 42 V. Sistemaning aktiv qarshiligi 4

\Omega

ga, to'la qarshiligi 12

\Omega

ga teng.

a) Tok kuchining amplitudaviy qiymatini (A) aniqlang.

b) Zanjirdan ajraladigan foydali quvvatni (W) hisoblang.

43.

Odam ko'zgu tomon 4 m/s tezlik bilan yaqinlashmoqda. Ko'zgu esa odam tomon 3 m/s tezlik bilan yaqinlashmoqda.

a) Tasvir odamga nisbatan qanday tezlik bilan (m/s) yaqinlashadi?

b) Tasvir ko'zguga nisbatan qanday tezlik bilan (m/s) harakatlanadi?

44.

Rasmda ko'rsatilganidek,

S

manbaning yorug'lik kuchi

I = 320

cd ga teng.

\pi \approx 3

a) Manbaning to'la yorug'lik oqimini (lm) toping.

A

nuqtadagi yoritilganlikni (lx) aniqlang.

45.

G'alayonlanmagan vodorod atomi elektroni foton yutishi natijasida uning impuls momenti

2\hbar

ga ortdi. G'alayonlanmagan vodorod atomining ionlanish energiyasi 13,6 eV ga teng.

a) Elektroning aylanish davri necha marta ortgan?

b) Yutilgan fotonning energiyasini (eV) aniqlang.

Savol	A	B	C	D	E	F
33. Ideal ampermetr ko'rsatkichi (A) topilsin.
34. Ideal voltmetr ko'rsatkichi (V) topilsin.
35. 0,1 s ichida ikkinchi manbadaning energiyasi qanchaga (J) kamayadi?