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Class 10
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Right circular cylinder
Right circular cylinder
Theory
Theory
Procedure
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Simulator
Self Evaluation
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1)
Cylinder formed by folding a rectangular sheet is a
Open cylinder
Closed cylinder
circle
cuboid
2)
Consider a rectangular sheet of length L and breadth B. What will be the radius (R) of cylinder formed after folding sheet by length?
R = B/π
R = L/2π
R = B/2π
R = L/π
3)
Surface area of cylinder formed by folding a rectangular sheet is?
A = 2πrh
A = 2πr²h +2πrh
A = 2πr²h
A = 2π(r+h)
4)
What will be height of cylinder made by folding rectangular sheet by length?
Height = (Length)²
Height = Breadth
Height = (Breadth)²
Height = Length
5)
Circumference of circle is ?
(Radius)²
2πr
πr
π
6)
What is the shape of the base of a right circular cylinder?
Square
Circle
Triangle
Rectangle
7)
The lateral surface area of a right circular cylinder includes the area of:
Both the top and bottom bases
Neither the top nor bottom bases
Only the top base
Only the bottom base
8)
The volume of a right circular cylinder is given by the formula:
V = 2πr
V = 2πrh
V = πr^2h
V = πr^2
9)
If the radius of a right circular cylinder is doubled, how does its volume change?
It quadruples
It becomes half
It remains the same
It doubles
10)
If the height of a right circular cylinder is halved, how does its volume change?
It becomes one-fourth
It halves
It remains the same
It doubles