ICS Part 2 Mathematics Chapter 6 Short Questions Preparation

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Define a diameter of the circle.

• Ans 1: A chord containing the centre of the circle is called diameter of the circle.

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Define a tangent line to a curve.

• Ans 1: A line that touches the curve without cutting through it is called a tangent line to the curve.

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Define radius of the circle.

• Ans 1: The distance from the centre of the circle to any point on the circle is called the radius of the circle.

Define ellipse as plane section of a cone.

• Ans 1: If the cutting plane is slightly titled and cuts only one nappe of the cone, then the section is an ellipse.

Define the axis of the cone.

• Ans 1: A line through the centre C of a given circle and perpendicular to its plane is called the axis of the cone.

Define vertex of the cone.

• Ans 1: The surface generated consists of two parts of a right circular cone meeting in the fixed point say then A, is called vertex or apex of the cone.

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• Ans 1:

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Define ellipse as plane section of a cone.

• Ans 1: If the cutting plane is slightly titled and cuts only one nappe of the cone, then the section is an ellipse.

• Ans 1:

• Ans 1:

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Define a tangent line to a curve.

• Ans 1: A line that touches the curve without cutting through it is called a tangent line to the curve.

Give definition of a circle.

• Ans 1: The set of all points in the plane that are equally distant from a fixed point is called a circle.

• Ans 1:

Define vertex of the cone.

• Ans 1: The surface generated consists of two parts of a right circular cone meeting in the fixed point say then A, is called vertex or apex of the cone.

Define centre of the circle.

• Ans 1: In a circle, the fixed point is called the centre of the circle which is equi-distance from all points in the plane.

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In cone how the section of an ellipse is obtained.

• Ans 1: If the cutting plane is slightly titled and cuts only one nappe of the cone, then the section is an ellipse.

Define a diameter of the circle.

• Ans 1: A chord containing the centre of the circle is called diameter of the circle.

• Ans 1:

• Ans 1:

• Ans 1:

• Ans 1:

Define vertex of the cone.

• Ans 1: The surface generated consists of two parts of a right circular cone meeting in the fixed point say then A, is called vertex or apex of the cone.

• Ans 1:

• Ans 1:

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Define a chord of the circle.

• Ans 1: A line segment whose end points lie on the circle is called a chord of the circle.

Define centre of the circle.

• Ans 1: In a circle, the fixed point is called the centre of the circle which is equi-distance from all points in the plane.

Give definition of a circle.

• Ans 1: The set of all points in the plane that are equally distant from a fixed point is called a circle.

Define nappes.

• Ans 1: The surface generated consists of two parts of a right circular cones are called nappes.

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Define ellipse as plane section of a cone.

• Ans 1: If the cutting plane is slightly titled and cuts only one nappe of the cone, then the section is an ellipse.

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