квантовая физика
Quiz
•
Physics
•
11th Grade
•
Hard
Юрий Зайцев
Used 23+ times
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22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Какому условию должна удовлетворять длина волны света λ, падающего на поверхность металла, чтобы началось явление фотоэффекта?
λ ≥ A/h
λ ≤ hc/A
λ > Ek/h
λ > hc/A
2.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Каким выражением определяется импульс фотона с энергией E
c / E
hv / E
E / hc
E / c
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В каких единицах измеряется постоянная Планка
Дж
Дж/с
Дж•с
Дж/м
4.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Определите импульс фотона (кг•м)/с, длина волны которого 4,41•10^-7м
h = 6,62•10^-34Дж•с
1,5•10-27
2,21•10-26
1,5•10-41
2,21•10-41
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Какое из приведенных выражений соответствует массе фотона с длиной волны λ?
h / λc
hc / λ
hλc
hλc2
6.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Чему равна красная граница (м) фотоэффекта для вещества с работой выхода электронов 6•10^-19Дж
h = 6,6•10^-34Дж•с.
6,6•10-8
3,3•10-7
3•10-7
6,6•10-6
7.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Работа выхода для серебра составляет 6•10^-19Дж
Определите красную границу фотоэффекта (нм)
h = 6,6•10^-34Дж•с
с=3•10^8 м/с
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