KIỂM TRA HỌC KỲ II Môn thi: VẬT LÍ, Lớp 12 (ĐỀ 4) Họ, tên thí sinh: SBD C©u 1. !"# $##%&# '()*$#+,% % -%. /%01 2% C©u 2. 3#$456789:9; <%= >8#*+2?@ %A -%&>8 /%3B% 2%6 '% C©u 3. /C7D$#7>$;+8EF; % λ D i a λ = -% D i a λ = /% D i a λ = 2% a i D λ = C©u 4. A+8 > E488%3> GE84 42.8%$4E(76H(I# % m λ µ = %3> G$; (J$; ;84@ %K%88 -%K%L88 /%%M88 2%K%88 C©u 5. N>84())OG,8)P54*><@ %9B)O -%9B$H9 6H /%9B$H9O 2%QH C©u 6. /C9 (RD$P9B$H9 6H % N 8S!T 99('9 9 -% N $J"T+99 9 /% N $J,T+99 9 2% -/PD C©u 7. / QHUHV!E %P*S(W8"IX -%P(' " /% P4+G 2%P(I#,!(I# 8 C©u 8. A NOB(J<QH4 % NOG -% NO /%YH(4 2% NO+ C©u 9. 5V!EHT++Z 3 K[%A(I#,<\9 ] /EK%K ^KM /1%K ^.0 _.%K L 8`% %K1%K ^K 8 -%K0%K ^K 8 /%KK%K ^K 8 2%KaK ^K 8 C©u 10. 3 (I# %0 m λ µ = $4(P8< 8H# +4;S?+Ib+% % %K o m λ µ = -% %1 o m λ µ = /% %. o m λ µ = 2% % o m λ µ = C©u 11. 3(76H %0 m λ µ = $45<(4+#H+ %L o m λ µ = 6 '++c8dZ e%-EK%K ^KM /1%K ^.0 _.%K L 8` %^K%Ld$e -%^K%a1d[e /%^K%11d$e 2%^K%01d$e C©u 12. / $HNcS-8E$f4 %[fQH -%[fUH /%[f *S 2%9gW8$f* *S89gW8$fUH C©u 13. /(I#$Hg)NcS(8E4 %1. m α λ µ = $4 %0LK m β λ µ = %-I# <$Hg)NcShE %K%La m µ -%K%M1 m µ /%K% m µ 2%%1 m µ C©u 14. ij)k9$4!H;4 %j9Nl -%jG /%jm+ 2%jH; C©u 15. /H; .L M U %n5!H;4 K %.L -%K0 /%M 2% C©u 16. ->α4No %pH; 0 He -%pH; K K H /%EE 2%! C©u 17. n>9q896Hα< .L M U 4 % .0 M Th -% .0 MK Pa /% .0 LL Ra 2% L Pb C©u 18. \r9>7b9@2s2tAsh%-5IbH;8 2 K.u8 A .Ku8 h Ka.%/KM.KE[` %=Ib8489>7,(W@ %..E[ -%..E[ /%..E[ 2%..E[ C©u 19. /96H K.K 1. I 5Ib(g4K*( cL4S)8%A5IbFoH Lg% %L%a -%%aL /%%La 2%a%L C©u 20. vP4;S4$P9>7+H % 49>7>Ib -% h>7w6>ST+ /% p+S 9>7+H6>SNI#NHRR8 Ib 2% i49>7Ib C©u 21. A P+P+4<R9>7H;N;SSP6>S] %p+5;!9>#!(WK -%p+59>W8H NI#H /%p+5;!,!K 2%A4(5!P('9OTH ^^^^^^^^^^^p^^^^^^^^^^ . /C7D$#7>$;+8EF; % λ D i a λ = -% D i a λ = /% D i a λ = 2% a i D λ = C©u 4. A+8 > E 4 88%3> GE 84 4 2.8% $4 E(76H(I# %. /(I#$Hg)NcS(8E 4 %1. m α λ µ = $4 %0LK m β λ µ = %-I# <$Hg)NcShE %K%La m µ -%K%M1 m µ /%K% m µ 2%%1 m µ C©u 14. ij)k9 $4 !H; 4 %j9Nl. " /% P 4 +G 2%P(I#,!(I# 8 C©u 8. A NOB(J<QH 4 % NOG -% NO /%YH (4 2%