Critical Angle and Total Internal Reflection (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the critical angle?
What is the critical angle?
Angle where refraction =
At the critical angle, what is the angle of refraction?
At the critical angle, what is the angle of refraction?
For critical angle to occur, light must travel from which medium to which?
For critical angle to occur, light must travel from which medium to which?
Denser to rarer
What happens when angle of incidence exceeds the critical angle?
What happens when angle of incidence exceeds the critical angle?
Total internal reflection
Which condition is NOT required for total internal reflection?
Which condition is NOT required for total internal reflection?
Light travels rarer to denser
In total internal reflection, what happens to light energy?
In total internal reflection, what happens to light energy?
No energy lost
What is the formula relating critical angle to refractive index ?
What is the formula relating critical angle to refractive index ?
How does critical angle change as refractive index increases?
How does critical angle change as refractive index increases?
Critical angle decreases
Glass has . What is its critical angle with air?
Glass has . What is its critical angle with air?
A medium has critical angle with air. What is its refractive index?
A medium has critical angle with air. What is its refractive index?
For TIR in a -- prism, what must the refractive index exceed?
For TIR in a -- prism, what must the refractive index exceed?
What is Snell's Window?
What is Snell's Window?
Circular view of above water from below