7. Topic 7(COLON) Oscillations, Waves and Optics
Lesson 7.7: Geometrical Optics And Imaging — Quiz
Test your understanding of lesson 7.7: geometrical optics and imaging with 5 practice questions.
Practice Questions
Question 1
What is the angle of incidence if a ray of light strikes a flat mirror at an angle of 30 degrees to the normal?
Question 2
What is the focal length of a converging lens if it has a radius of curvature of $20 \ \mathrm{cm}$ for both surfaces?
Question 3
In a ray diagram, how would you locate the image formed by a diverging lens when an object is placed 12 cm from the lens, given that the focal length is $-4 \ \mathrm{cm}$?
Question 4
A plane mirror produces an image that is how far behind the mirror if the object is located 15 cm in front of it?
Question 5
What type of image is formed by a concave mirror when the object is placed between the focal point and the mirror?