Match articles given in column I with the corresponding fibres of Column II- - Column A Column B- a Sweater i Cotton- b Parachute canopies ii Wool- c Dhoti iii Nylon- d Gunny bags iv Jute- -

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Byju's Answer

Standard VII

Physics

Woolen Clothes

Match article...

Question

Match articles given in column I with the corresponding fibres of Column II.
$\begin{matrix} Column A & Column B (a) Sweater & (i) Cotton (b) Parachute canopies & (ii) Wool (c) Dhoti & (iii) Nylon (d) Gunny bags & (iv) Jute \end{matrix}$

(a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)

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(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)

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(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

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(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)

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Solution

The correct option is A
(a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)

Sweaters are made from wool because air is trapped inside the woollen fibres. The trapped air prevents the flow of outside air to come inside and as air is the poor conductor of heat so it prevents the loss of heat from our body.

Dhoti is made from cotton because cotton is soft and easily stretches, making it a comfortable fabric to wear. Moreover, cotton fabric is breathable and transmits moisture away from the body

Gunny bags are made from jute because it is economical, stronger as it carries more weight than other carry bags, reusable, recyclable and eco-friendly.

Parachute canopies are made from nylon because it is light, elastic and even stronger than the steel wire of the same diameter of nylon rope.

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\begin{matrix} Column I & Column II (a) \to A \cdot \to B = 0 & (i) θ = 0 (b) \to A \cdot \to B = + 8 & (i i) θ = 90^{\circ} (c) \to A \cdot \to B = 4 & (i i i) θ = 180^{\circ} (d) \to A \cdot \to B = - 8 & (i v) θ = 60^{\circ} \end{matrix}

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Match articles given in column I with the corresponding fibres of Column II. Column AColumn B(a) Sweater (i) Cotton(b) Parachute canopies (ii) Wool(c) Dhoti(iii) Nylon(d) Gunny bags(iv) Jute

Match articles given in column I with the corresponding fibres of Column II.
$\begin{matrix} Column A & Column B (a) Sweater & (i) Cotton (b) Parachute canopies & (ii) Wool (c) Dhoti & (iii) Nylon (d) Gunny bags & (iv) Jute \end{matrix}$