Light — Advanced

Grade 7 Science — Light — Advanced: 25 practice questions with instant scoring and explanations.

1. Refraction of light occurs when:
2. A convex lens is:
3. A concave lens:
4. The focal length of a lens is:
5. Myopia (nearsightedness) occurs when:
6. Hypermetropia (farsightedness) is corrected with:
7. The cornea and lens of the eye function to:
8. The retina of the eye:
9. In a convex lens, the focal point is:
10. Refraction occurs because:
11. The critical angle in refraction is related to:
12. Total internal reflection occurs when:
13. The human eye's pupil controls:
14. A real image formed by a convex lens is:
15. When an object is placed at the focal point of a convex lens:
16. Dispersion of light occurs because:
17. A prism can separate white light into its component colors because of:
18. The lens equation relates:
19. Myopia is corrected by:
20. The power of a lens is measured in:
21. In the human eye, accommodation refers to:
22. Light enters the eye through:
23. The optic nerve transmits:
24. A concave mirror is used in:
25. The lens in a camera functions similarly to: