Q1. Light travels in:
Q2. The angle of incidence is the angle between the incident ray and the:
Q3. According to the first law of reflection:
Q4. Regular reflection occurs on:
Q5. The image formed by a plane mirror is:
Q6. Lateral inversion means:
Q7. A concave mirror is also called a:
Q8. Which type of mirror is used by dentists to examine teeth?
Q9. Convex mirrors are used as rear-view mirrors because they:
Q10. The relationship between focal length (f) and radius of curvature (R) is:
Q11. A convex lens is thicker in the:
Q12. Which lens is used to correct myopia (short-sightedness)?
Q13. The splitting of white light into seven colours is called:
Q14. The correct order of colours in the spectrum (from most bent to least bent) is:
Q15. Which colour of light bends the most when passing through a prism?
Q16. A rainbow is formed due to:
Q17. When a Newton's disc is rotated rapidly, it appears:
Q18. A real image is one that:
Q19. Which of the following always forms a virtual image?
Q20. In a rainbow, which colour appears on the outer edge?
