If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in (1) both (2) only the glass tube (3) only the capillary tube (4) neither

If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in (1) both (2) only the glass tube (3) only the capillary tube (4) neither
by

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both
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Related questions

If an ordinary glass tube and a glass capillary tube are 'both clipped in a beaker of water, water rises in – (1) both (2) only the glass tube (3) only the capillary tube (4) neither

Description : If an ordinary glass tube and a glass capillary tube are 'both clipped in a beaker of water, water rises in – (1) both (2) only the glass tube (3) only the capillary tube (4) neither

Last Answer : (1) both Explanation: The rise or fall of liquid due to capillarity in a beaker of water depends upon the radius of the bore of the tube (s) which is/are dipped into it. The narrower the bore of ... in the tube. So in this case, water will rise in both the glass tube and the glass capillary tube.

A capillary tube is kept vertical in a beaker containing liquid. The height to which the liquid rises by capillary action is increased if (a) The radius of the capillary is large (b) The radius of the capillary is small (c) The density of the liquid is large (d) The surface tension of the liquid is small

Description : A capillary tube is kept vertical in a beaker containing liquid. The height to which the liquid rises by capillary action is increased if (a) The radius of the capillary is large (b) The radius of the ... small (c) The density of the liquid is large (d) The surface tension of the liquid is small

Last Answer : Ans:(b)

If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is (A) Same in both the tubes (B) Greater in 1 mm dia tube (C) Greater in 0.5 mm dia tube (D) Zero in both the tubes

Description : If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is (A) Same in both the tubes (B) Greater in 1 mm dia tube (C) Greater in 0.5 mm dia tube (D) Zero in both the tubes

Last Answer : (C) Greater in 0.5 mm dia tube

16. When a tube of smaller diameter is dipped in water, the water rises in the tube due to viscosity of water. A) True B) False

Description : 16. When a tube of smaller diameter is dipped in water, the water rises in the tube due to viscosity of water. A) True B) False

Last Answer : B

When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface. (A) Concave(B) Convex (C) Plane (D) None of these

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Last Answer : Answer: Option A

Water rises in a capillary tube to a height h. It will rise to a height more than h. a.in a lift moving up with an acceleration b.in all the above cases c.107 dynes d.at the poles e.on the surface of moon

Description : Water rises in a capillary tube to a height h. It will rise to a height more than h. a.in a lift moving up with an acceleration b.in all the above cases c.107 dynes d.at the poles e.on the surface of moon

Last Answer : e. on the surface of moon

If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be(A) Higher than the surface of liquid (B) The same as the surface of liquid (C) Lower than the surface of liquid (D) Unpredictable

Description : If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be (A) Higher than the surface of liquid (B) The same as the surface of liquid (C) Lower than the surface of liquid (D) Unpredictable

Last Answer : Answer: Option C

When a cube of ice floating on water in a beaker melts, the level of water in the beaker (a) rises (b) falls (c) remains the same (d) first rises and then falls

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Rise of liquid in a capillary tube is due to (A) Cohesion (B) Adhesion (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Rise of liquid in a capillary tube is due to (A) Cohesion (B) Adhesion (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B

Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil through the wick (3) Of the surface tension phenomenon (4) Of the capillary action phenomenon

Description : Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil through the wick (3) Of the surface tension phenomenon (4) Of the capillary action phenomenon

Last Answer : (4) Of the capillary action phenomenon Explanation: It is because of the capillary action phenomenon because of which oil rise up the wick in a lamp. Capillary action, or capillarity, is the ability ... such as paper, in some nonporous materials such as liquefied carbon fiber, or in a cell.

The oil in the wick of an oil lamp rises up due to: (1) capillary action (2) low viscosity of oil (3) gravitational force (4) pressure difference

Description : The oil in the wick of an oil lamp rises up due to: (1) capillary action (2) low viscosity of oil (3) gravitational force (4) pressure difference

Last Answer : (1) capillary action Explanation: The oil in the wick of an oil lamp rises up due to capillary action.

The oil in the wick of an oil lamp rises up due to: (1) capillary action (2) low viscosity of oil (3) gravitational force (4) pressure difference

Description : The oil in the wick of an oil lamp rises up due to: (1) capillary action (2) low viscosity of oil (3) gravitational force (4) pressure difference

Last Answer : capillary action

Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil through the wick (3) Of the surface tension phenomenon (4) Of the capillary action phenomenon

Description : Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil through the wick (3) Of the surface tension phenomenon (4) Of the capillary action phenomenon

Last Answer : Of the capillary action phenomenon

A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because (A) It is easier to see through the glass tube (B) Glass tube is cheaper than a metallic tube (C) It is not possible to conduct this experiment with any other tube (D) All of the above

Description : A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because (A) It is easier to see through the glass tube (B) Glass tube is cheaper than a metallic ... (C) It is not possible to conduct this experiment with any other tube (D) All of the above

Last Answer : Answer: Option A

The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately (A) 5 mm (B) 10 mm (C) 20 mm (D) 30 mm

Description : The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately (A) 5 mm (B) 10 mm (C) 20 mm (D) 30 mm

Last Answer : Answer: Option D

The capillary rise of mercury is maximum in glass tube of dia __________ mm. (A) 0.5 (B) 1 (C) 2 (D) 5

Description : The capillary rise of mercury is maximum in glass tube of dia __________ mm. (A) 0.5 (B) 1 (C) 2 (D) 5

Last Answer : (A) 0.5

Take a 250 mL beaker/glass tumbler. Fill half of it with water. Now carefully cut a small piece of sodium metal. Dry it using filter paper and wrap it in a small piece of cotton. Put the sodium piece wrapped in cotton into the beaker. Observe carefully. -Science

Description : Take a 250 mL beaker/glass tumbler. Fill half of it with water. Now carefully cut a small piece of sodium metal. Dry it using filter paper and wrap it in a small piece of cotton. Put the sodium piece wrapped in cotton into the beaker. Observe carefully. -Science

Last Answer : On touching the beaker, it was felt hot. The solution turns the red litmus paper to blue which shows it is basic in nature. Blue litmus paper do not show any colour change with the solution.

In an oil lamp, the oil rises up in the wick due to _____? A. Capillary action B. Atmospheric pressure C. Viscosity of oil D. Change in temperature

Description : In an oil lamp, the oil rises up in the wick due to _____? A. Capillary action B. Atmospheric pressure C. Viscosity of oil D. Change in temperature

Last Answer : ANSWER: A

The oil in the wick of an oil lamp rises up due to (a) Pressure difference (b) Capillary action (c) Low viscosity of oil (d) Gravitational force

Description : The oil in the wick of an oil lamp rises up due to (a) Pressure difference (b) Capillary action (c) Low viscosity of oil (d) Gravitational force

Last Answer : Ans:(b)

Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil through the wick (3) Of the surface tension phenomenon (4) Of the capillary action phenomenon

Description : Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil through the wick (3) Of the surface tension phenomenon (4) Of the capillary action phenomenon

Last Answer : (4) Of the capillary action phenomenon Explanation: It is because of the capillary action phenomenon because of which oil rise up the wick in a lamp. Capillary action, or capillarity, is the ability ... such as paper, in some nonporous materials such as liquefied carbon fiber, or in a cell.

In an oil lamp, the oil rises up in the wick due to? A. Capillary action (Answer) B. Atmospheric pressure C. Viscosity of oil D. Change in temperature

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Last Answer : A. Capillary action (Answer)

Calculate the index of refraction of a liquid from the following into glass: (a) Reading for the bottom of an empty beaker: 11.324 cm (b) Reading for

Description : Calculate the index of refraction of a liquid from the following into glass: (a) Reading for the bottom of an empty beaker: 11.324 cm (b) Reading for

Last Answer : Calculate the index of refraction of a liquid from the following into glass: (a) Reading for the ... level of the liquid in the beaker: 12.895cm

Why a polystyrene cup is used instead of a glass beaker to find out heat of neutralization?

Description : Why a polystyrene cup is used instead of a glass beaker to find out heat of neutralization?

Last Answer : Ans: A polystyrene cup acts as an insulator therefore it will not allow heat to exchange between reaction mixture and its surroundings and enthalpy of reaction doesn’t change . On the other hand glass can easily transfer and exchange heat bringing change in enthalpy of reaction.

When a pencil is dipped in glass of water it appears bent near the surface of water due to ______ of light. a) refraction b)reflection c)bouncing back of light d)none

Description : When a pencil is dipped in glass of water it appears bent near the surface of water due to ______ of light. a) refraction b)reflection c)bouncing back of light d)none

Last Answer : a) refraction

A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will - (1) first rise and then fall (2) fall (3) remain the same (4) rise

Description : A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will - (1) first rise and then fall (2) fall (3) remain the same (4) rise

Last Answer : (3) remain the same Explanation: The submerged portion of the ice on melting shrinks a little in volume. So the level of water goes down a little. But this is just made up by the water added by the melting of upper portion.

The field capacity of a soil depends upon a. Capillary tension in soil b. Porosity of soil c. Both (a) and (b) d. Neither (a) nor (b)

Description : The field capacity of a soil depends upon a. Capillary tension in soil b. Porosity of soil c. Both (a) and (b) d. Neither (a) nor (b)

Last Answer : c. Both (a) and (b)

With increase in temperature, the equilibrium __________ rises in case of endothermic reaction. (A) Constant (B) Conversion (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : With increase in temperature, the equilibrium __________ rises in case of endothermic reaction. (A) Constant (B) Conversion (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (B) Conversion

Why paper is soft when dipped in water ?

Description : Why paper is soft when dipped in water ?

Last Answer : Before answering this question you need to know about the material of paper and water. We all know about the composition of water. It is made up of two atoms of hydrogen and one atom of oxygen . ... When paper is dipped in water, it becomes soft, mainly because of some structural features.

What is the speed of light in ordinary glass ?

Description : What is the speed of light in ordinary glass ?

Last Answer : The speed of light in ordinary glass is 2x108ms-1

Lens is made up of – (1) Pyrex glass (2) Flint glass (3) Ordinary glass (4) Cobalt glass

Description : Lens is made up of – (1) Pyrex glass (2) Flint glass (3) Ordinary glass (4) Cobalt glass

Last Answer : (2) Flint glass Explanation: Flint glass is optical glass that has relatively high refractive index and low Abbe number (high dispersion). A concave lens of flint glass is commonly ... doublet lens because of their compensating optical properties, which reduces chromatic aberration (colour defects).

Lens is made up of (1) Pyrex glass(2) Flint glass (3) Ordinary glass (4) Cobalt glass

Description : Lens is made up of (1) Pyrex glass(2) Flint glass (3) Ordinary glass (4) Cobalt glass

Last Answer : Flint glass

Let a tin capillary tube be replaced with another tube of insufficient length then we find that water (a) Will overflow (b) Will not rise (c) Depress (d) Changes its meniscus

Description : Let a tin capillary tube be replaced with another tube of insufficient length then we find that water (a) Will overflow (b) Will not rise (c) Depress (d) Changes its meniscus

Last Answer : Ans:(b)

Domestic refrigerator working on vapour compression cycle uses the following type of expansion device (a) electrically operated throttling valve (b) manually operated valve (c) thermostatic valve (d) capillary tube

Description : Domestic refrigerator working on vapour compression cycle uses the following type of expansion device (a) electrically operated throttling valve (b) manually operated valve (c) thermostatic valve (d) capillary tube

Last Answer : Ans: d

A liquid flows through a capillary tube. Then the velocity of the liquid is (a) Maximum at the walls of the tubs (b) Constant at all points in the cross section of the tube (c) Maximum along the axis of the tube (d) Independent of the pressure-head

Description : A liquid flows through a capillary tube. Then the velocity of the liquid is (a) Maximum at the walls of the tubs (b) Constant at all points in the cross section of the tube (c) Maximum along the axis of the tube (d) Independent of the pressure-head

Last Answer : Ans:(c)

Capillary tube method of viscosity measurement is based on the (A) Hagen-Poiseuille’s equation (B) Stoke's law (C) Navier-stokes equation (D) None of these

Description : Capillary tube method of viscosity measurement is based on the (A) Hagen-Poiseuille’s equation (B) Stoke's law (C) Navier-stokes equation (D) None of these

Last Answer : (A) Hagen-Poiseuille’s equation

Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) (A) d (B) 1/d (C) σ (D) 1/σ

Description : Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) (A) d (B) 1/d (C) σ (D) 1/σ

Last Answer : (C) σ

Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm. (A) < 4 (B) > 4 (C) > 12.5 (D) < 10

Description : Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm. (A) < 4 (B) > 4 (C) > 12.5 (D) < 10

Last Answer : (C) > 12.5

The coefficient of viscosity may be determined by (A) Capillary tube method (B) Orifice type viscometer (C) Rotating cylinder method (D) All of these

Description : The coefficient of viscosity may be determined by (A) Capillary tube method (B) Orifice type viscometer (C) Rotating cylinder method (D) All of these

Last Answer : Answer: Option D

the fluid flow rate increases, the float of the Rotameter (A) Rises in the tube (B) Rotates at higher speed (C) Rotates at lower speed (D) Drops down in the tube

Description : the fluid flow rate increases, the float of the Rotameter (A) Rises in the tube (B) Rotates at higher speed (C) Rotates at lower speed (D) Drops down in the tube

Last Answer : Option A

Why Magnesium , Copper and Zinc only react when dipped in hot water ?

Description : Why Magnesium , Copper and Zinc only react when dipped in hot water ?

Last Answer : Magnesium is the element at the top of the activation table. The value of its oxidation potential is more negative i.e. it is easily oxidized. But the position of copper is below H2 and the deposition ... in water to H2 gas. But magnesium degrades H + ions. So only magnesium reacts with hot water.

Describe an activity to observe what happens when quick lime is added to water taken in a beaker. State two important observations and name the type of reaction taking place. -Chemistry

Description : Describe an activity to observe what happens when quick lime is added to water taken in a beaker. State two important observations and name the type of reaction taking place. -Chemistry

Last Answer : Answer. Aim: To observe what happens when quicklime is added to water taken in a beaker. Materials Required:- Quicklime (calcium oxide), water, beaker.Procedure: 1. Take 5 g of calcium oxide in a ... example for each of decomposion reaction carried out with help of (i) Electricity (ii) Heat (iii)

15 mL of water and 10 mL of sulphuric acid are to be mixed in a beaker (i) State the method that should be followed with reason. (ii)What is this process called? -Chemistry

Description : 15 mL of water and 10 mL of sulphuric acid are to be mixed in a beaker (i) State the method that should be followed with reason. (ii)What is this process called? -Chemistry

Last Answer : (i) The acid is to be added slowly in water to prevent the mixture to be splashed. The reaction is highly exothermic, therefore, constant cooling should be done. (ii)The process is called dilution.

If there is 50 ml of water in a beaker then what is the mass?

Description : If there is 50 ml of water in a beaker then what is the mass?

Last Answer : 50 gm

Where do the water in the beaker get its heat energy from?

Description : Where do the water in the beaker get its heat energy from?

Last Answer : the fire

If a student dissolves powdered sugar in a water in a beaker the student then places a strip of silver in the beaker what is the solute in this solution?

Description : If a student dissolves powdered sugar in a water in a beaker the student then places a strip of silver in the beaker what is the solute in this solution?

Last Answer : Sugar is the solute.

Water contained in a beaker can be made to boil by passing steam through it  (a) at atmospheric pressure  (b) at a pressure below the firuosphejric pressure  (c) at a pressure greater than atmospheric pressure  (d) any pressure  (e) not possible.

Description : Water contained in a beaker can be made to boil by passing steam through it  (a) at atmospheric pressure  (b) at a pressure below the firuosphejric pressure  (c) at a pressure greater than atmospheric pressure  (d) any pressure  (e) not possible.

Last Answer : Answer : c

The well through which water comes out through hydraulic pressure is called – (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Description : The well through which water comes out through hydraulic pressure is called – (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Last Answer : (4) Artesian well Explanation: Artesian Well refers to a type of well that normally gives a continuous flow, the water being forced upwards by hydraulic pressure.

The well through which water comes out through hydraulic pressure is called (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Description : The well through which water comes out through hydraulic pressure is called (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Last Answer : Artesian well

In an ordinary chemical plant, electrical installation cost may be about (A) 10-15% of purchased equipment cost (B) 3-10% of fixed capital investment (C) Either (A) or (B) (D) Neither (A) nor (B)

Description : In an ordinary chemical plant, electrical installation cost may be about (A) 10-15% of purchased equipment cost (B) 3-10% of fixed capital investment (C) Either (A) or (B) (D) Neither (A) nor (B)

Last Answer : (C) Either (A) or (B)

How can I make a Beaker Muppet costume for next Halloween?

Description : How can I make a Beaker Muppet costume for next Halloween?

Last Answer : Follow these instructions to make a beaker muppet costume