RS Aggarwal Solutions Class 7 Maths Chapter 18 Reflection and Rotational Symmetry: Class 7 Maths is made easier and all thanks to the RS Aggarwal Solutions Class 7 Maths. You can find the solutions of RS Aggarwal Solutions Class 7 Maths Chapter 18 really helpful as the solutions are designed by subject matter experts which makes them credible and accurate.
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RS Aggarwal Solutions Class 7 Maths Chapter 18 Reflection and Rotational Symmetry
RS Aggarwal Solutions Class 7 Maths Chapter 18 Reflection and Rotational Symmetry – Overview
Chapter 18 of RS Aggarwal Solutions Class 7 Maths, you will deal with the questions related to Reflection and Rotational Symmetry. There are 2 exercises in this chapter.
- Reflection
The concept of Reflection deals with various aspects of light. You will get to know about the various observations on the light when it strikes different surfaces and calculations to explore more light concepts.
You will be introduced to various calculations on types of reflection such as – specular reflection, multiple reflections, and diffused meditation. The solution comprises an elaborated view of the laws and theorems of reflection.
As per the law of reflection:
- The rays of light, i.e., Incident ray, the reflected ray, and the normal, lie in the same plane.
- The Angle of incidence = Angle of reflection.
- Rotational Symmetry
It is defined as an object’s property to look identical after a complete or partial rotation. Eg: a windmill appears to be symmetrical, and if we rotate the windmill at a 90-degree angle about a rigid point, we will observe the windmill seems the same. Therefore, we can conclude that it has rotational symmetry.
It is the phenomena that turn a substance about a specific point, and that point is referred to as the centre of rotation. The object possesses an angle while rotating, which is called the Angle of rotation. And if an object appears identical multiple times during a 360-degree rotation, it is called the order of rotational symmetry.
RS Aggarwal Solutions Class 7 Maths Chapter 18 Reflection and Rotational Symmetry – Important Exercises
RS Aggarwal Solutions Class 7 Maths Chapter 18 Ex 18.1
RS Aggarwal Solutions Class 7 Maths Chapter 18 Ex 18.2
This is the complete blog on RS Aggarwal Solutions Class 7 Maths Chapter 18 Reflection and Rotational Symmetry. To know more about the CBSE Class 7 Maths exam, read the whole blog.
FAQs on RS Aggarwal Solutions Class 7 Maths Chapter 18 Reflection and Rotational Symmetry
How many exercises are there in RS Aggarwal Solutions Class 7 Maths Chapter 18 Reflection and Rotational Symmetry?
There are 2 exercises in this chapter.
What are the laws of reflection?
The laws of reflection are:
The rays of light, i.e., the incident ray, the reflected ray, and the normal, lie in the same plane.
The Angle of incidence = Angle of reflection.
What is the Angle Of Rotation?
The object possesses an angle while rotating, which is called the Angle of rotation.
What is the order of rotational symmetry?
If an object appears identical multiple times during a 360-degree rotation, it is called the order of rotational symmetry.
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