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Curves - class-VI

Introduction to curves including basic definitions, types (open/closed curves), and properties of circles

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

A man goes $15m$ due west and then $8m$ due north. How far is he from the straight point?

  1. $17m$
  2. $19m$
  3. $18m$
  4. $20m$
Question 2 Multiple Choice (Single Answer)

Which of the following alphabet represents a closed curve?

  1. U
  2. R
  3. C
  4. O
Question 3 Multiple Choice (Single Answer)

Instruments used to draw circle

  1. scale and setsquare
  2. scale and protractor
  3. scale and compass
  4. scale
Question 4 Multiple Choice (Single Answer)

When you draw without lifting your pencil or pen on a paper you get?

  1. Plane curve
  2. Plane shadow
  3. 3-dimension
  4. Line
Question 5 Multiple Choice (Single Answer)

The curve that crosses .................. is not a simple closed curve.

  1. other
  2. itself
  3. curves
  4. All of the above
Question 6 Multiple Choice (Single Answer)

A curve which has 2 end points is called an .....................

  1. closed curve
  2. simple curve
  3. open curve
  4. None of the above
Question 7 Multiple Choice (Single Answer)

Which of these is an example of an open curve?

  1. Circle
  2. Triangle
  3. A line segment
  4. Pentagon
Question 8 Multiple Choice (Multiple Answers)

A closed curve has no ....................

  1. joints
  2. starting points
  3. end points
  4. All of the above
Question 9 Multiple Choice (Single Answer)

State whether the following statements are true of false
Circles with same radii are equal

  1. True
  2. False
Question 10 Multiple Choice (Single Answer)

A circle divides a plane in which it lies including itself in :

  1. 2 parts
  2. 3 parts
  3. 4 parts
  4. 5 parts
Question 11 Multiple Choice (Single Answer)

The straight line AB is divided at C so that $\bar{AC} = 3\bar{CB}$. Circles are described on AC and CB as diameters and a common tangent meets AB produced at D. Then $\bar{BD}$ equals.

  1. the diameter of the smaller circle
  2. the radius of the smaller circle
  3. the radius of the larger circle
  4. $\bar{CB} \sqrt{3}$
  5. the difference of the two radii
Question 12 Multiple Choice (Single Answer)

All chords of the curve $x^{2}+y^{2}-10x-4y+4=0$  which make a right angle at $(8,2)$ pass through

  1. $(2,5)$
  2. $(-2,-5)$
  3. $(-5,-2)$
  4. $(5,2)$
Question 13 Multiple Choice (Single Answer)

A curve which begins and ends at the same point is called a:

  1. closed curve
  2. open curve
  3. normal curve
  4. definite curve
Question 14 Multiple Choice (Single Answer)

..................... are examples of simple closed curve.

  1. Circle
  2. Rectangle
  3. Square
  4. All of the above
Question 15 Multiple Choice (Single Answer)

What is a curve?

  1. A line which is not straight and does not any sharp edges.
  2. It is a polygon
  3. It is a quadrilateral
  4. A line with sharp edges.
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