JAMB Physics 2012 Objective — Question 35
Question 35 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2012 Objective paper, with the correct answer and a full explanation.
Advertisement
I. Rays of light travel from a less dense medium to a denser medium. II. The Angle of incidence is greater than critical angle. III. Rays of light travel from a denser medium to a less dense medium. Which of the statements above are conditions for total internal reflection to occur?
- A. I and II only
- B. I and III only
- C. II and III onlyCorrect
- D. II only
Explanation
For total internal reflection: light must travel from a denser to a less dense medium (III), and the angle of incidence must exceed the critical angle (II).
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.