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16. Light Science class 8 in English Medium ncert book solutions Additional Questions With Solutions
16. Light Additional Questions With Solutions – Complete NCERT Book Solutions for Class 8 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 16. Light Additional Questions With Solutions to help you master concepts and score higher.
16. Light Science class 8 in English Medium ncert book solutions Additional Questions With Solutions
NCERT Solutions for Class 8 Science play an important role in helping students understand the concepts of the chapter 16. Light clearly. This chapter includes the topic Additional Questions With Solutions, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 8 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 16. Light is explained in a structured way, making it easier for students to connect the theory with the topic Additional Questions With Solutions. By studying these updated NCERT Solutions for Class 8 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
16. Light
Additional Questions With Solutions
Additional Questions And Answers
Ques: What is cornia?
Ans: Outer coat of the eye is white. Its transparent front part is called cornea.
Ques: What is iris? Write the function of iris?
Ans: Behind the cornea, we find a dark muscular structure called iris.
Function;
(i) The iris controls the size of the pupil.
Ques: Give regions;
(i) The outer most covering of eyes are white and hard.
Ans: As it can prevent the inner most part of eyes by accidents.
Ques: Differentiate between regular and diffused reflection. Does diffused reflection mean the failure of the laws of reflection?
Ans:
|
Irregular reflection |
Regular reflection |
|
|
No, diffused reflection is not due to the failure of the laws of reflection
Ques: Fill in the blanks in the following :
(i) A person 1 m in front of a plane mirror seems to be __1__________ m from his image.
(i) If you touch your ____________ ear with right hand in front of a plane mirror it will be seen in the mirror that your right ear is touched with ____________ .
(iii) The size of the pupil becomes ____________ when you see in dim light.
(iv) Night birds have ____________ cones than rods in their eyes..
Que: Draw a labeled sketch of the human eye.
Ans:
Ques: What is blind spot?
Ans: At the junction of the optic nerve and the retina, there are no sensory cells, so no vision is possible at that spot. This is called the blind spot.
Ques: write kinds of optic nerves.
Ans: There are two kinds of nerve cells
(i) Cones, which are sensitive to bright light.
(ii) Rods, which are sensitive to dim light.
See other sub-topics of this chapter:
1. Chapter Review 2. Text Book Exercise 3. Text Book Exercise 4. Additional Questions With Solutions 5. Additional Questions With Solutions