7407/2 Physics Jun 2019 Quiz | AQA AS Level MCQ
AQA
AS Level
Physics (7407)
شهریور
2019
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
35 دقیقه
پیش نمایش صفحه اول فایل
zivar sushu When light of a certain frequency greater than the threshold frequency of a metal is directed at the metal, photoelectrons are emitted from the surface.
The power of the light incident on the metal surface is doubled.
Which row shows the effect on the maximum kinetic energy and the number of photoelectrons emitted per second?
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