Question

6.*
Match the following in Column - I and Column - II
Column-1
Column - II
(i) Bunsen burner
(A) Bernoulli's theorem
(ii)Hydraulic brake
(B) Capillary action
(iii)Sandy soil is more dry (C) Pascal law
than clay
(iv)Spherical shape of (D) Surface tension
rain drops
11​

Answer 1

Answer:

I)-A)Bernoulli theorem(work on conservation of energy)

ii)-C)Pascal law(as pressure equally distribute in liquid)

iii)-B)cappilary action(in plant more from root is carried through capillary action)

iv)-D)surface tension(As liquid at rest want to occupy minimum surface area)

Answer 2

The matching can be done as follows

(i) Bunsen burner - (A) Bernoulli's theorem

(ii) Hydraulic brake - (C) Pascal law

(iii) Sandy soil is drier than clay - (B) Capillary action

(iv) Spherical shape of raindrops - (D) Surface tension

(i) Bunsen burner - (A) Bernoulli's theorem

According to Bernoulli's theorem when the speed of a fluid increases, the pressure within the fluid decreases. The Bunsen burner is a device used in experiments and labs for heating purposes. It is one of the appliances which work based on Bernoulli's theorem

(ii) Hydraulic brake - (C) Pascal law

Pascal's law states that a change in pressure at any point in a fluid is transmitted equally to all parts of the fluid. Hydraulic brakes are based on Pascal's law.

(iii) Sandy soil is drier than clay - (B) Capillary action

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity. Capillary action causes water to rise through the narrow spaces between soil particles this is the reason Sandy soil is drier than clay.

(iv) Spherical shape of raindrops - (D) Surface tension

Surface tension is the property of a liquid that arises from the intermolecular forces between its molecules. It causes the unique shape of the raindrop.

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