11. The wavelengths of visible light range from ___________nm to ___________nm.

Question

11. The wavelengths of visible light range from ___________nm to ___________nm.
12. In above, the longest wavelength corresponds to the color __________ and the shortest to ___________.
13. Give the order of the following in terms of increasing frequency (1 = lowest frequency). ____ gamma rays, ____ TV, ____ visible light, ____ x-rays, ____ infrared, ____ microwave
14. If the refractive index of water is 1.333, the speed of light in water is _______________________ m/s.
15. Total internal reflection occurs only when a light ray travels from a medium of (a) high or (b) low refractive index into a medium of (c) higher or (d) lower refractive index.
16. A typical application for total internal reflection is ________________________________________________.
17. T or F : The speed and frequency of light is the same in any material.
18. The law of reflection states that ___________________________________________________________________.
19. The variation of refractive index of a material with wavelength is called ___________________________.
20. Your enlarged image in a makeup mirror is (a) real or (b) virtual and is (c) erect or (d) inverted.

Explanation / Answer

1. 390 nm to 750 nm

2. Red ; Violet

3. TV ; Microwave; Infrared, Visible Light; X-rays; Gamma rays

14. v=c/n = 3X108/1.333 = 2.25 X 108 m/s

15. (a) high refractive index into a medium of (d) lower refractive index.

16. Sparkle of Diamond

17. False

18. The angle of incidence is equal to the angle of reflection and the incident ray, the normal, and the

reflected ray are coplanar

19.Dispersian

20. (b) virtual and is (c) erect

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.