
физикачееееек
Quiz
•
Physics
•
2nd Grade
•
Practice Problem
•
Hard
Тома Илалова
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
После какой реакции протон превращается в нейтрон:
р1 ® Y A-4 + He4
X A ® b 0
+ v~ + Y A
X A ® b 0 + v + Y A
Z +1 Z -1
p1 + b 0 = n1 + v
n1 = p1 + b 0
+ v~
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Поглощение рентгеновских излучений:
Re = ò rl / dl
rl / al = 1/ el
Ф = Ф × е -mх
E = sT 4
E = asT 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Энергетическая светимость абсолютно черного тела:
Re = ò rl / dl
rl / al= 1/ el
Ф = Ф0× е - mх
E = sT 4
E = asT 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Энергетическая светимость для серого тела:
Re = ò rl / dl
rl / al = 1/ el
Ф = Ф × е -mх
E = sT 4
E = asT 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Спектр характеристического рентгеновского излучения:
сплошное
линейчатое
непрерывное
прерывное
скачкообразное
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Закон Мозли для характеристического рентгеновского излучения:
Re = ò rl dl
= A(z - B)
rl = al ×el
сel
= rl / al
E = sT 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Эффективная доза:
Ф = kIU 2 Z
E =WT × H
A = - dN/
dt
E = H × m /WT
1. T = ln 2/
l
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