NCERT Solutions Class 10 Science Chapter 10 Light – Reflection and Refraction – Here are all the NCERT solutions for Class 10 Science Chapter 10. This solution contains questions, answers, images, explanations of the complete Chapter 10 titled Light – Reflection and Refraction of Science taught in class 10. If you are a student of class 10 who is using NCERT Textbook to study Science, then you must come across Chapter 10 Light – Reflection and Refraction. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 10 Science Chapter 10 Light – Reflection and Refraction in one place.
NCERT Solutions Class 10 Science Chapter 10 Light – Reflection and Refraction
Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Science for Class 10 so that you can refer them as and when required. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.
For a better understanding of this chapter, you should also see summary of Chapter 10 Light – Reflection and Refraction , Science, Class 10.
| Class | 10 |
| Subject | Science |
| Book | Science |
| Chapter Number | 10 |
| Chapter Name |
Light – Reflection and Refraction |
NCERT Solutions Class 10 Science chapter 10 Light – Reflection and Refraction
Class 10, Science chapter 10, Light – Reflection and Refraction solutions are given below in PDF format. You can view them online or download PDF file for future use.
Light – Reflection and Refraction
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Question & Answer
Q.1: Define the principal focus of a concave mirror.
Ans : The principal focus of a concave mirror is a point on its principal axis to which all the light rays which are parallel and close to the axis, converge after reflection from the concave mirror.
Q.2: The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
Ans : Focal length = 2 x Radius of curvature = 2 x 20 cm = 10 cm
Q.3: Name a mirror that can give an erect and enlarged image of an object.
Ans : Concave mirror.
Q.4: Why do we prefer a convex mirror as a rear-view mirror in vehicles?
Ans : We prefer a convex mirror as a rear-view mirror in vehicles because of two reasons -1. A convex mirror always produces an erect image of the objects. 2 The image formed in a convex mirror is highly diminished or much smaller than the object, due to which a convex mirror gives a wide field of view of the traffic behind. A convex mirror enables the driver to view such larger area of the traffic behind him.
Q.5: Find the focal length of a convex mirror whose radius of curvature is 32 cm.
Ans : \(\mathrm{R}=+32 \mathrm{cm} \text { and } f=\frac{R}{2}=+\frac{32}{2}=+16 \mathrm{cm}\)
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