Explore topic-wise InterviewSolutions in Current Affairs.

ANSWER:

JOULES per KELVIN

Explanation:

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Answer:

Factors affecting angle of CONTACT: When a liquid COMES in contact with a solid SURFACE it is generally curved at the point of contact. ... If the liquid is not pure and the surface of solid is not clean, then angle of contact will change. The angle of contact between pure water and clean glass is NEARLY ZERO

Answer:

continuous ABSORPTION SPECTRUM

Explanation:

Essentially, the spectrum that we observe is the continuous spectrum with dark spots where the gas has "PICKED out" the CONTINUUM. Illustration of an absorption spectrum. The spectrum above shows a continuum spectrum absorbed by an gas.

EXPLANATION:

ADJECTIVE. created, taken, or assumed for the sake of CONCEALMENT; not GENUINE; false: fictitious names. of, relating to, or consisting of fiction; imaginatively produced or set forth; created by the IMAGINATION: a fictitious hero.

Answer:

USE of electolroplating is to PREVENT any metal from corrosion by APPLYING or PLATING a LAYER of zinc on it

ANSWER:

the SURFACE TENSION of SOAP SOLUTIONS is 0.018857j

Answer:

5

Explanation:

∆p=30*0.1-(-20*0.1)

=3-(-2)

=3+2=5

ANSWER:

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Explanation:

Two capacitors C1 and C2 are connected to a battery of 6V as SHOWN in FIG. Find the ... A capacitor is charged with a battery and energy stored is U. After disconnecting battery.

ANSWER:

XI jinping

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Answer:

68

Explanation:

d=m/v

m=d*v

m=13.6*5

m=68

(125^3) =5

ANSWER:

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ANSWER:

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ANSWER:

I did not UNDERSTAND this

Explanation:

The two characteristics of the principles of management are briefly mentioned below:

1. Universal APPLICABILITY : The principles of management are applicable to all types of organisations and at all the levels of management .

2. General GUIDELINES : management principles ACT only as guidelines for DECISION making and actions. They don't PROVIDE direct or ready-made solutions.

ANSWER:

gggggggg

Explanation:

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Answer:

In ISOTHERMAL process surface energy (S) is equal to the sum of surface tension (T) and AMOUNT of heat absorbed by the surface per unit INCREMENT in area (H). Hence we SAY, T = S - H This (S - H) is called the Mechanical PART of surface energy.

Answer:

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Explanation:

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EXPLANATION:

Electroplating is widely used in INDUSTRY and DECORATIVE arts to IMPROVE the surface qualities of objects—such as RESISTANCE to abrasion and corrosion, lubricity, reflectivity, electrical conductivity, or appearance

ANSWER:

to DESIGN ENTIRE ORGANISM what are essential

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Explanation:

When the car moves along a CIRCULAR path, it needs a centripetal force acting inwards to compensate for the CENTRIFUGAL force acting outwards. This force is provided by the FRICTIONAL force between TYRES and road which will act towards the center of circular motion. The weight of the car and people in it compensate for the normal REACTION on the car due to the road.

ANSWER:

SHALA LANG MICROSCOPE

ANSWER:

Congo

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Answer:

There are four BASIC types of motion. These four are ROTARY, OSCILLATING, linear and RECIPROCATING. Each one moves in a slightly different way and each type of achieved using different mechanical means that help us understand linear motion and motion CONTROL.

EXPLANATION:

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Answer:

There are four BASIC types of MOTION. These four are rotary, oscillating, linear and RECIPROCATING. Each one moves in a slightly different way and each type of achieved USING different MECHANICAL means that help us understand linear motion and motion control...

ANSWER:the body does not make iodine. iodine is an element USED to PRODUCE tryroid hormone

Explanation:so it is the essential part of diet

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Newton's , statement that any particle of matter in the universe attracts any other with a FORCE VARYING DIRECTLY as the product of the masses and INVERSELY as the SQUARE of the distance between them.❤

Given data :-

Two trains each of length 100 m, moving in opposite directions along parallel lines, meet each other with speeds of 50 kmph & 40 kmph. Their accelerations are 30cm/s² and 20 cm/s² respectively.

Solution :-

Let, first train be A & second train be B

→ length of A = 100 m

→ length of B = 100 m

→ speed of A = 50 km/hr

→ speed of A = {[50×1000]/[60×60]}km/hr

→ speed of A = {50000/3600}km/hr

→ speed of A = {125/9} km/hr

→ speed of B = 40 km/hr

→ speed of B = {[40×1000]/[60×60]}km/hr

→ speed of B = {40000/3600}km/hr

→ speed of B = {100/9} km/hr

→ Acceleration of A = 30 cm/s²

→ Acceleration of A = 0.3 m/s²

→ Acceleration of B = 20 cm/s²

→ Acceleration of B = 0.2 m/s²

Now,

→ Relative displacement of trains, s{relative} = length of A + length of B

→ Relative displacement of trains, s{relative} = [100 + 100] m

→ Relative displacement of trains, s{relative} = 200 m .....( 1 )

→ Realative speed of train, u{relative}

= speed of A + speed of B

→ Realative speed of train, u{relative}

= [125/9 + 100/9] m/s

→ Realative speed of train, u{relative}

= [225/9] m/s

→ Realative speed of train, u{relative}

= 25 m/s ......( 2 )

→ Relative acceleration of trains, a{relative} = Acceleration of A + Acceleration of B

→ Relative acceleration of trains, a{relative}

= [0.3 + 0.2] m/s²

→ Relative acceleration of trains, a{relative}

= 0.5 m/s² or 1/2 m/s² ......( 3 )

Now to find TIME taken by trains to pass each other.

→ s{relative} = u{relative }× t + 1/2 × a{relative} × t²

{from ( 1 ) ( 2 ) & ( 3 )}

→ 200 = 25 × t + 1/2 × 1/2 × t²

→ 200 = 25 × t + 1/4 × t²

Multiply both SIDE by 4

→ 800 = 100t + t² i.e.

→ - t² - 100t + 800 = 0 i.e.

→ t² + 100t - 800 = 0

Compair above equation with

at² + bt + c = 0

HENCE, a = 1, b = 100 & c = -800

Now,

→ t = {-b ± √b²-4ac}/2a

→ t = {-100 ± √(100)²- 4×1×(-800)}/2×1

→ t = {-100 ± √10000 + 3200}/2

→ t = {-100 ± √13200}/2

→ t = {-100 ± 20√33}/2

→ t = - 50 ± 10√33

→ t = - 50 + 10√33 or t = - 50 - 10√33 i.e

→ t = 10√33 - 50 or t = - 10√33 - 50

We know that time is never in negative hence, t = 10√33 - 50 sec

Hence, time taken by trains to pass each other is 10√33 - 50 sec.

{Note:- 10√33 - 50 sec = 7.446 sec}

Table salt often comes in "iodized" form which means it includes a small amount of potassium iodide or sodium iodide. Iodized salt is intended to supply us with the trace amount we NEED of the CHEMICAL element IODINE, which is NECESSARY for the proper FUNCTIONING of our thyroid gland.

DISTINGUISH between STREAMLINE and turbulent flow of a liquid. Difference between streamline motion and turbulent motion. i) It is an ORDERLY type of motion in which the liquid flows in parallel layers while, turbulent motion is DISORDERLY type of motion.

Answer:

A voltmeter MEASURES the voltage difference between the two different points (SAY, on different SIDES of a resistor), but it should not change the amount of current going through the element between these two points. So it should have very high resistance so MAT it doesn't draw current through it.

Explanation:

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Answer:mechanical energy of WINDING the key is converted first into POTENTIAL energy then it is converted into KINETIC energy due to which the car MOVES

Answer:

18gm of C.....

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ANSWER:

The induced electromotive force with different polarities induces a current WHOSE magnetic field opposes the CHANGE in magnetic flux through the LOOP in ORDER to ensure that original flux is maintained through the loop when current flows in it.

Answer:

d

Explanation:

dalton PUT FORWARD the CONSTANT proportiob

ANSWER:

ताबाँ, टंगस्टन, नाइक्रोम, जस्ता है|

Answer:

Force between TWO OBJECTS of equal MASSES is F, If 25 % mass of one OBJECT is transferred to the other object, then find the new force. F′=1516F

Answer:

the lengths of two BODIES measured by a metre scale are l1=(20+-0.5)cm L2=(15+-0.2)cm CALCULATE sum

ANSWER:

Carbon dioxide is PRESENT in SOFT drinks

Answer:

porifera INCLUDES multicellular LAND ANIMALS which EXHIBIT cellular levels of organisation and have characteristics flag and related sites

Explanation:

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ANSWER:

The answer is

g/2=4.9m/s^2

ANSWER:

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The Law of Conservation of Mass

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 DISCOVERY that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction. If we account for all reactants and products in a chemical reaction, the total mass will be the same at any point in time in any closed system. Lavoisier's finding laid the foundation for modern chemistry and revolutionized science.

The Law of Conservation of Mass holds true because naturally occurring elements are very stable at the conditions found on the surface of the EARTH. Most elements come from fusion reactions found only in stars or supernovae. Therefore, in the everyday world of Earth, from the peak of the HIGHEST mountain to the depths of the deepest ocean, atoms are not converted to other elements during chemical reactions. Because of this, individual atoms that make up living and nonliving matter are very old and each atom has a history. An individual atom of a biologically important element, such as carbon, may have spent 65 million years buried as coal before being burned in a power plant, followed by two decades in Earth's atmosphere before being dissolved in the ocean, and then taken up by an algal cell that was consumed by a copepod before being RESPIRED and again entering Earth's atmosphere (Figure 1). The atom itself is neither created nor destroyed but cycles among chemical compounds. Ecologists can apply the law of conservation of mass to the analysis of elemental cycles by CONDUCTING a mass balance. These analyses are as important to the progress of ecology as Lavoisier's findings were to chemistry.

ANSWER:

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Answer:

One newton is the force needed to accelerate one kilogram of MASS at the rate of one METRE per second squared in the DIRECTION of the applied force.

Unit of: Force

Unit SYSTEM: SI DERIVED unit

SI base units: 1 kg⋅m⋅s−2

Named after: Sir Isaac Newton

Answer:

This statement is TRUE. This charging process is called charging by induction. It is a process by which a CHARGED BODY makes a CONDUCTOR electrically charged without physical contact. The charges on a body by the process of induction are known as INDUCED charges.

we know, ∆G = -NFE

From the Gibbs-Helmholtz equation,

∆G = ∆H + T(dG/dT)

Now putting,G = -nFE in above equation,

∆G = ∆H + T(d(-nFE)/dT))

∆G = ∆H - nFT (dE/dT)

But GIVEN TEMPERATURE coefficient of emf cell reaction is ZERO, I.e., dE/dT = 0

So, ∆G = ∆H - nFT × 0 = ∆H

First APPEARING in the 12th century, the counterweight trebuchet has been used for hundreds of YEARS to hurl objects over long DISTANCES. Based on the conservation of ENERGY and TORQUE, trebuchets can launch objects weighing over 350 pounds. Today, trebuchets are often used at the annual pumpkin chunking contests in Delaware.

Amazing But True

ANSWER:

Shoulder bags are provided with broad straps because it has larger SURFACE area than the thin strap and hence the pressure EXERTED on the shoulder BECOMES LESS than the thin strap.

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ANSWER:

It is EASIER to break a piece of chalk than IRON bar because a chalk piece is brittle and soft where as a iron bar is strong and HARD