Our ncert solutions for Solutions 16. Light - Additional Questions With Solutions | Class 8 Science - Toppers Study is the best material for English Medium students cbse board and other state boards students.
Solutions 16. Light - Additional Questions With Solutions | Class 8 Science - Toppers Study
Topper Study classes prepares ncert solutions on practical base problems and comes out with the best result that helps the students and teachers as well as tutors and so many ecademic coaching classes that they need in practical life. Our ncert solutions for Solutions 16. Light - Additional Questions With Solutions | Class 8 Science - Toppers Study is the best material for English Medium students cbse board and other state boards students.
Solutions 16. Light - Additional Questions With Solutions | Class 8 Science - Toppers Study
CBSE board students who preparing for class 8 ncert solutions maths and Science solved exercise chapter 16. Light available and this helps in upcoming exams 2024-2025.
You can Find Science solution Class 8 Chapter 16. Light
- All Chapter review quick revision notes for chapter 16. Light Class 8
- NCERT Solutions And Textual questions Answers Class 8 Science
- Extra NCERT Book questions Answers Class 8 Science
- Importatnt key points with additional Assignment and questions bank solved.
Chapter 16 Science class 8
Additional Questions With Solutions class 8 Science Chapter 16. Light
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16. Light
| Additional Questions With Solutions |
Solutions 16. Light - Additional Questions With Solutions | Class 8 Science - Toppers Study
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..
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.
Other Pages of this Chapter: 16. Light
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