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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the refractive index tell us about light?
💡 Hint: Think about how light travels in different materials.
Question 2
Easy
What is the speed of light in a vacuum?
💡 Hint: Consider this the maximum speed of 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 does a higher refractive index indicate?
- Faster light speed
- Slower light speed
💡 Hint: Think about how light behaves as it enters different materials.
Question 2
True or False: The refractive index of air is greater than that of water.
- True
- False
💡 Hint: Consider the refractive indices of both substances.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A light ray travels from air (n=1) into a medium with n=1.5. Calculate the angle of refraction if the angle of incidence is 30 degrees.
💡 Hint: Use a scientific calculator for finding the sine values.
Question 2
An object is placed 10 cm in front of a lens with a focal length of 5 cm. Determine the nature and distance of the image.
💡 Hint: Remember the lens formula for calculations.
Challenge and get performance evaluation