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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a quantized energy level?
π‘ Hint: Think about how electrons can only exist at certain levels.
Question 2
Easy
What happens when an electron falls to a lower energy level?
π‘ Hint: Remember the photon is released as light.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What equation relates the energy of a photon to its frequency?
- E = mc^2
- E = hf
- E = h/Ξ»
π‘ Hint: Remember Planck's relationship with light.
Question 2
True or False: The absorption spectrum consists of bright lines against a dark background.
- True
- False
π‘ Hint: Think about the absorption and emission processes.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An electron in a hydrogen atom transitions from n=3 to n=2. Calculate the energy of the photon emitted during this transition.
π‘ Hint: You'll need to calculate the energy levels first.
Question 2
Consider a star's light spectrum that shows an absorption line at a wavelength of 500 nm. Research which element's absorption corresponds to this wavelength.
π‘ Hint: Look up elemental spectra for context.
Challenge and get performance evaluation