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Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the relationship between energy and frequency in light?
π‘ Hint: Think about the equation involving Planck's constant.
Question 2
Easy
What is a photon?
π‘ Hint: Consider how photons are involved in light phenomena.
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 is the equation that relates energy and frequency of light?
π‘ Hint: Recall the concept of Planck's constant.
Question 2
True or False: A photon has mass.
- True
- False
π‘ Hint: Think about the properties of light.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A laser emits light at a frequency of 6 x 10^14 Hz. Calculate the energy of a single photon emitted by this laser.
π‘ Hint: Apply the equation E = h β f and substitute the value for Planckβs constant.
Question 2
How would the efficiency of a solar cell change if it could absorb higher-energy photons? Discuss the possible outcomes.
π‘ Hint: Consider the underlying chemistry and physics of how solar cells operate.
Challenge and get performance evaluation