Get complete NCERT Solutions for 8 Science 16. Light with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Get complete NCERT Solutions for 8 Science 16. Light with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Preparing for exams becomes easier with Additional Questions With Solutions. Whether you are studying for board exams or mid-term exams, 8 Science Chapter 16. Light solutions provide quick revising points, well-structured answers, and additional practice material to help you score better.
ncert_solutionsAdditional 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..
Q – Describe the construction of a kaleidoscope.
A –
Q – Draw a labeled sketch of the human eye.
A –
Q – Explain how you can take care of your eyes.
A -
14. How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm?
Ans:
15. Two mirrors meet at right angles. A ray of light is incident on one at an
angle of 30° as shown in . Draw the reflected ray from the second
mirror.
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.
Additional Questions With Solutions are created by experts to give step-by-step explanations. Around 60–70% of exam questions are based on NCERT concepts. Our 8 Science Chapter 16. Light solutions help you understand the core concepts and practice effectively.
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Every NCERT chapter ends with exercises, and solving them is crucial. Our Additional Questions With Solutions include complete solutions for 8 Science Chapter 16. Light exercises. With step-by-step answers, you gain clarity and confidence to attempt similar exam questions.
To boost your preparation, we also provide additional important questions with answers. These are prepared from previous year board papers, sample papers, and important concepts of Chapter 16. Light. Practicing these ensures you are well-prepared for both board and mid-term exams.
Our Additional Questions With Solutions are useful for both board exams and mid-term exams. For 8 Science, we provide notes, exercises, and important Q&A so that you can revise smartly and write perfect answers in exams.
In short, Additional Questions With Solutions for 8 Science Chapter 16. Light are a complete study package. With quick revising points, NCERT exercises, and additional important questions, you can prepare effectively for exams. Make these solutions your study companion and excel in your academic journey.
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