Zadanie 6
Wzorowane na: Chemistry SL Paper 1, November 2024, pytanie 6. Treść, dane i kontekst są zmienione; sprawdzane umiejętności, format i punktacja jak w oryginale.
Darmowe konto pozwoli wrócić do niego później.
Polecenie
Which statement correctly compares infrared and ultraviolet radiation?
A. Infrared radiation has a longer wavelength and a lower photon energy than ultraviolet radiation.
B. Infrared radiation has a longer wavelength and a higher frequency than ultraviolet radiation.
C. Infrared radiation has a shorter wavelength and a lower photon energy than ultraviolet radiation.
D. Infrared radiation has a shorter wavelength and a higher frequency than ultraviolet radiation.
Sprawdź rozwiązanieUkryj rozwiązanieKlucz i punktacja
Odpowiedź z klucza
A ✔
«wavelength λ = c/f, so a longer wavelength means a lower frequency, and E = hf means a lower photon energy; infrared lies at longer wavelengths than ultraviolet in the electromagnetic spectrum»
Schemat punktowania
One mark for the correct option.