WebCheck out CBSE Class 8 Lesson Explanation, Science, Hindi, English, Social Studies, Maths etc - important Question Answers, NCERT Solutions and Notes. Search for: Search Button. ... Chapter 16 Light Class 8 Notes, Question Answers, Explanation; Chapter 17 Stars and the Solar System Class 8 Explanation, Notes, Examples, Question Answers ... WebState the laws of refraction. Find the refractive index of material, if angle of incidence of ray of light is 45° and angle of refraction in the material is 30°. Define refractive index. State and explain Snell’s law. Find the velocity of light in glass and water, given that the refractive index of glass is 1.5, and that of water is 1.33.
Reflection of Light - Class 8, Light - Class Notes
WebApr 5, 2024 · Ans: Yes a ray of light is an idealization. In reality, there is a narrow beam of light that is made up of several rays. For simplicity, the term ray is used for a narrow beam of light. 16. Give any two uses of periscope. Ans: Submarines, tanks, and soldiers in bunkers use periscopes to see things outside. Webclass 10th notes for light reflection and refraction//very important notes#viral #viral target 95 +//one of the bestvideo pasand nahin to aap like share and ... high fashion quilt shop
Light Class 8 Notes CBSE Science Chapter 16 [PDF]
Webclass 10th notes for light reflection and refraction//very important notes#viral #viral target 95 +//one of the bestvideo pasand nahin to aap like share and ... WebLight is (A) An electromagnetic radiation (B) A longitudinal wave (C) Mass less (D) All of the above 3. Which of the following is a natural luminous source of light? (A) Sun (B) Wood (C) Electric lamp (D) Torch 4. Which of the following is not a translucent object? (A) Greased paper (B) Paraffin wax (C) Frosted glass (D) Water 5. Light shows: WebReflected light moves in different direction. 10. Periscope uses two mirrors at 45 degree angles to the direction one desires to see. The light reflected from one to the other and then out to the persons eye. Their role is to reflect light at right angles. 11. The angle of incidence is equal to the angle of reflection. high fashion reading glasses for women