Fizika (13.05.2025) 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.

Agar

a

— umumiy tezlanish,

a_n

— normal tezlanish,

a_t

— tangensial tezlanish bo'lsa, quyidagilardan qaysi birlari o'rinli bo'lishi mumkin?

1)

a_n > a

a \ge a_t

a_t > a

a \ge a_n

Jism boshlang'ich tezliksiz 5 s davomida 7,5 m masofa bosdi. Keyin 12 s davomida o'zgarmas tezlik bilan harakat qildi. So'ngra 6 s da esa tekis sekinlashib to'xtadi. Jismning oxirgi 12 s ichidagi o'rtacha tezligini (m/s) aniqlang.

Massasi 300 g bo'lgan jism 2 m/s

^2

tezlanish bilan harakatlanmoqda. Natijaviy kuchni (N) aniqlang.

Bikirligi 1,6 kN/m bo'lgan prujinaga 5 kg massali yuk osilgan. Prujina qanchaga (cm) cho'ziladi?

Vaznsiz ipga massasi 12

kg

bo'lgan sharcha rasmda ko'rsatilgandek osilgan.

Bunga ko'ra

BC

ipning taranglik kuchini (

N

) toping.

\sin\alpha = 5/13

Massasi 2,5 kg bo'lgan jism qiyalik burchagi

30^\circ

bo'lgan va qiya tekislikka parallel 12 N kuch bilan ushlab turilibdi. Jism va sirt orasidagi ishqalanish kuchini (N) toping.

Massasi

m_1

m_2

bo'lgan jismlarning tezliklari mos ravishda

\vec{v}_1

\vec{v}_2

bo'lgan jismlar noelastik to'qnashdi. To'qnashuvdan so'ng birinchi jismning kinetik energiyasini aniqlang.

Ko'l sirtidan 40 m chuqurlikdagi umumiy bosimni (kPa) aniqlang.

p_0 = 10^5

x = A\cos\omega t

qonuniyat bilan garmonik tebranayotgan jismning tezligi ifodasini ko'rsating.

10.

Agar shar ichi geliy gazi o'rniga teng miqdorda neon gazi bilan almashtirilsa, sharning ko'tarish kuchi qanday o'zgaradi? Shar qobig'ining massasini hisobga olmang. Havoning molyar massasi 29

g/mol

ga teng.

11.

16 g misdagi atomlar sonini toping.

12.

Ideal gaz bosimi

pV^2 = \text{const}

qonuniyat bo'yicha ortmoqda. Bunda gazning temperaturasi qanday o'zgaradi?

13.

Suv ichidagi pufakcha hajmi 32 mm

^3

. Pufakcha ichidagi qo'shimcha bosimni (

Pa

) aniqlang.

\pi = 3

14.

12 mol bir atomli ideal gazning temperaturasi 60 K ga ortdi. Uning ichki energiyasi qanday (kJ) o'zgargan?

15.

Isitkichning temperaturasi 627

^\circ

C, sovutkichniki esa 600 K. Isitkich gazga 400 J issiqlik miqdori beradi. Gazning uch siklda bajargan ishini (J) toping.

16.

Zaryadlari

-q

+2q

-8q

+12q

bo'lgan to'rtta bir xil simob tomchilari qo'shildi. Hosil bo'lgan tomchining umumiy zaryadini aniqlang.

17.

Radiusi

5r

3r

bo'lgan sharlarning zaryadlari mos ravishda

-20q

+4q

ga teng. Dastlab, sharlar tekkizilmasdan oldingi

F_1

kuch bilan ta'sirlashmoqda. Ular bir-biriga tekkizilib qaytib olingandan keyin

F_2

kuch bilan ta'sirlashadi.

F_1/F_2

nisbatni aniqlang. Sharlar orasidagi masofa ularning radiuslaridan juda katta deb oling.

18.

Quyida cheksiz kondensatorlar sistemasi tasvirlangan. Sistemaning to'la sig'imini aniqlang.

19.

Berilgan elektr zanjir sistemasining

A

B

nuqtalaridagi to'la qarshilikni aniqlang.

20.

Berilgan elektr zanjir sxemasining klemmalari orasidagi to'la qarshilikni (

\Omega

) aniqlang.

21.

Alyuminiyning termik koeffitsiyentini aniqlang maqsadida doimiy kuchlanish manbaiga alyuminiy bo'lagini ulab eriyotgan muzga solinganda zanjirdagi tok kuchi 35 mA ga teng bo'ldi. Qaynayotgan suvga solinganda esa tok kuchi 25 mA bo'ldi. Alyuminiyning termik koeffitsiyenti qanchaga (

10^{-3}

^{-1}

) teng?

22.

Magnit maydonda aylanma harakat qilayotgan zaryadli zarrachaning aylanish chastotasi

\nu

ga, magnit maydon induksiyasi esa

B

ga teng. Berilganlardan foydalanib zaryadning qanday kattaligini topsa bo'ladi?

23.

Tebranish konturida kondensatordagi zaryad

q_0\sin\omega t

qonuniyat bo'yicha o'zgarmoqda. G'altak induktivligi

L

bo'lsa, konturdagi to'la energiya qanchaga (mJ) teng?

24.

Yopiq zanjirdan tok o'tishi natijasida elektromagnit maydon hosil bo'ldi.

t = 5

min da bu maydon qancha masofani (km) bosib o'tadi?

25.

Lazer nuri ikkiga bo'lindi. Ular bir xil qalinlikdagi suvda shishadan o'tib ekranga tushadi. Ularning qaysi biri ekranga tezroq yetib boradi?

26.

O'quvchi

50^\circ

burchak ostida ko'rinadigan jismga 10 marta kattalashtiradigan lupa orqali qaraganda burchak necha gradus bo'lib ko'rinadi?

27.

Fokus masofasi 20 cm bo'lgan linzadan 60 cm uzoqlikda mavhum va to'g'ri tasvir hosil qilindi. Linzaning kattalashtirishini aniqlang.

28.

Difraksion panjara doimiysi 6

\mu m

ga teng. Ekranda

5

-tartibli maksimum nolinchi maksimumdan deyarli

90^\circ

ga farq qiladi. Panjaraga tushayotgan to'lqinning uzunligini (

\mu m

) aniqlang.

29.

Tinchlikdagi zichligi 12,8 g/cm

^3

bo'lgan jism

0,6c

tezlik bilan harakat qilmoqda. Uning harakatdagi zichligini aniqlang.

30.

Quyidagi elektron o'tishlardan qaysi birida eng katta impulsga ega foton yutilgan?

31.

\pi

mezon ikkita yorug'lik kvantiga ajraldi va o'zaro qarama-qarshi yo'nalishda harakatini davom ettirdi. Ularning energiyalari mos ravishda

\varepsilon_1

\varepsilon_2

ga teng (

\varepsilon_1 > \varepsilon_2

\pi

mezonning ajralishdan oldingi impulsini aniqlang.

32.

Geliy atomning bog'lanish energiyasi 27 MeV ga teng. Uning solishtirma bog'lanish energiyasini (MeV) aniqlang.

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

33-35.

Elektron va pozitron

r

radiusli aylana atrofida harakatlanib pozitroniy hosil bo'ldi. Elektronning massasi

m_e

, zaryadi

e

ga teng.

36.

Massasi 1,2 kg bo'lgan jism 80 m balandlikdan 5 m/s boshlang'ich tezlik bilan otildi.

a) Jismning to'la uchish vaqtini (s) toping.

b) Dastlabki 3 s dagi impuls o'zgarishini (kg

\cdot

m/s) toping.

37.

Gorizontga qiyalatib otilgan 800 g massali jismning maksimal ko'tarilish balandligi 80 cm ga, uchish uzoqligi 2,4 m.

a) Jismning boshlang'ich tezligini (m/s) toping.

b) Jismning maksimal balandlikdagi kinetik energiyasini (J) aniqlang.

38.

Tennis raketkasiga koptok 12 m/s tezlik bilan urilib 16 m/s tezlikda qaytadi. Bunda koptokning kinetik energiyasi o'zgarishi 14 J ga teng bo'ldi.

a) Koptokning massasini (kg) toping.

b) Koptok impulsining o'zgarishini (kg

\cdot

m/s) toping.

39.

Bir atomli ideal gazning bosimi hajmga quyidagicha bog'langan.

1 \to 2

o'tishda gaz ichki energiyasi qanchaga (J) kamaygan?

1 \to 2

o'tishda gaz tashqariga qancha issiqlik (J) chiqargan?

40.

Karno sikli bo'yicha ishlovchi dvigatelda isitkich va sovutkichning temperaturalar nisbati

T_1/T_2 = 7/4

ga teng. Sovutkichga bir siklda beriladigan issiqlik miqdori

Q_2 = 400

J ga teng.

a) Gazning besh siklda bajargan ishini (J) aniqlang.

b) Dvigatelning FIK ni (%) toping.

41.

Ikki parallel cheksiz o'tkazgich orasidagi masofa 4 cm, ulardan bir yo'nalishda oqadigan toklar esa mos ravishda 4 A va 3 A ga teng.

a) Ikkala o'tkazgichning 5 m uzunligi qanday kuch bilan (

\mu

N) ta'sirlashadi?

b) Birinchisidan 1 cm, ikkinchisidan esa 5 cm uzoqlikda joylashgan nuqtadagi natijaviy induksiyani (

\mu

T) aniqlang.

42.

Radiolokatordan chiqayotgan elektromagnit to'lqin uzunligi 12 cm ga teng. U har sekundda 5000 ta impuls chiqaradi. Impuls davomiyligi 2

\mu

a) Radiolokatordan chiqayotgan elektromagnit to'lqinning tebranish davrini (ns) toping.

b) Elektromagnit to'lqin yetib borishi mumkin bo'lgan eng uzoq masofani (km) toping.

43.

Ikki kosmik kema bir tomonga mos ravishda

0,8c

0,6c

tezlikda harakatlanmoqda.

a) Ularning nisbiy tezligini klassik usulda toping.

b) Ularning nisbiy tezligini to'g'ri (relyativistik) usulda toping.

44.

Tinchlikdagi energiyasi

E

bo'lgan jismning tezligi

0,6c

dan

0,8c

gacha ortdi.

a) Jismning impuls o'zgarishini aniqlang.

b) Jismning kinetik energiyasi qanday o'zgaradi?

45.

Vodorod atomi elektroni

4

-energetik sathdan

3

-energetik sathga o'tdi.

a) Nurlangan foton chastotasini (Hz) toping.

b) Nurlangan foton impulsini (kg

\cdot

m/s) toping.

Savol	A	B	C	D	E	F
33. Pozitroniyning kinetik energiyasini toping.
34. Pozitroniyning to'la energiyasini toping.
35. Pozitroniyning potensial energiyasini toping.