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Answer:

I MAY hope this will help you

Explanation:

1.81 is the REFLECTIVE index of DIAMOND with RESPECT to water .

VELOCITY is the RIGHT

answer

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Explanation:

A wire of length l is BENT in the form a circular COIL of some turns. A current I flows through the coil. The coil is placed in a uniform MAGNETIC FIELD B. The maximum torqur on the coil can be

Answer:

the answer is B

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The frequency of output VOLTAGE is 100 HZ.

Explanation:

We are given that:

Input voltage = V

Output voltage across R = V

To Find = The frequency "F"  

Solution:

The voltage FLOWS from R1 to R4.

The frequency is increased to double when the voltage flows from the negative PHASE from 2 to R to 3.

The initial frequency is 50 Hz and now the new frequency is f (new) = 2f

New frequency = 2 x 50 = 100 Hz

ANSWER:

not is the answer

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Answer:

1 MINUTE telllllllll me the ANWER i alsoneed this answerrrqwerty

EXPLANATION:

qwertyuiop

<STRONG>ANSWER:

STAINLESS STEEL is LIGHT and strong

ANSWER:

d option is PHYSICAL CHANGE

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Explanation:

Friction is a FORCE that RESISTS the relative MOTION between two objects or materials. The causes of this resistive force are molecular adhesion, surface roughness, and deformations. Adhesion is the molecular force resulting when two materials are BROUGHT into CLOSE contact with each other.

Given parameters

Initial VELOCITY of the ball (u) = 49m/s.

The velocity of the ball at maximum height (v) = 0.

g = 9.8m/s2

Let US considered the time taken is t to reach the maximum height H.

CONSIDER a FORMULA,

2gH = v2 – u2

2 × (- 9.8) × H = 0 – (49)2

– 19.6 H = – 2401

H = 122.5 m

Now consider a formula,

v = u + g × t

0 = 49 + (- 9.8) × t

– 49 = – 9.8t

t = 5 sec

ANSWER:

JOULE ....................

Answer:

Iron and aluminium will DISPLACE HYDROGEN from dilute acids as they more reactive then hydrogen. Mercury and COPPER cannot displace hydrogen from dilute acids as they are less reactive than hydrogen.

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Explanation:

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Answer:

The Impact of Sufism on the ECONOMIC trends in Jammu & Kashmir

during the 16th to 18th CENTURY A.D.

The economic conditions of the people of medieval Kashmir were largely

influenced by the Sufis, Pirs, faqirs and the other pious men. Not only the living Sufi

saints but yet after their death, the periodical Urs (fairs) celebrations gave chance to

the people of far-flung areas, villagers to meet in such large gatherings on such

occasions and HENCE they exchange their commercial commodities, which promote

the rural and VILLAGE economies.1

The most famous agricultural product in the medieval Kashmir was saffron

and during the Chak period, its cultivation was state monopoly.2

So far the fruits of Kashmir are concerned, perhaps no country, says

Lawrence, has greater facilities for horticulture, as the Kashmir apple, pear, vine,

mulberry, walnut, hazel, cherry, peach, apricot, raspberry, gooseberry, currant and

strawberry can be obtained without any difficulty in various parts of the Valley. These

fruits were helpful as food for the people in Kashmir.3

Besides the mentioned fruits the tasty cherry called as gilas was actually

introduced in Kashmir from Europe via Arabia, Iran and Afghanistan. Padshahnama

names it as Shahalu and mentions that it quite resembled to that of Kabul 4.

ANSWER:

the IMAGE GOES REAL and UPRIGHT

ANSWER:

BOTTLE , PLASTIC BAGS .....ETC

If the TWO devices are CONNECTED between two points A and B in PARALLEL, then the POTENTIAL DIFFERENCE (Voltage) will remain same ACROSS the ends.

ANSWER:

Now according to the question rubber cord increases 60 cm when WEIGHT of 100 gm is applied and increases to 70 cm when weight of 120 gm is suspended . Now let us again take that the weight be Y under which the length of the cord will BECOME 74 cm . So to get 74 cm the weight needed is 128 g.

Answer:

it MEANS that the EQUATION where m is WRITTEN you have to WRITE 1 there

EXPLANATION:

We know,

A=change in velocity/time taken=V-u/t

Initial velocity(u)= 0

Final velocity(v)=90kmph=25m/s(From KMPH to mps=90×5/18)

Time(t)= 30 sec

So, 25–0/30=5/6m/s.

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ANSWER:

SODIUM is most

Explanation:

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ANSWER:

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TQ

Explanation:

GIVEN THAT

Initial velocity U = 80 kmph

Final velocity v = 60 kmph

Time = 5 sec = 5/ (60 x 60) = 5/ 3600

FORMULA

v = u + (at)

PLACING THE VALUES

60 = 80 + 5a/3600

( (- 20) x 3600) = 5a

a = -14400 KM / h²

OR

a = - 1.11 m / s² ( approx )

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ANSWER:

answer is...............

EXPLANATION:

their linear momentum will be also same (or) equal to the know ratio 3:2

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Answer:

According to zeroth law of thermodynamics if two THERMODYNAMIC system are in thermal equilibrium with a THIRD them they are in thermal equilibrium with each other.

Accordingly thermal equilibrium between system is a transitive relation. So, If A,B and C are in thermal equilibrium & temperature of B is 45°C then the C will have same 45°C temperature.

Hence, the answer is 45°C.

Explanation:

above is explaination and answer

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Answer:

3x-3+1

Explanation:

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ANSWER:

Thermal de BROGLIE WAVELENGTH

m = mass of a gas particle, kB = Boltzmann constant, T = temperature of the gas, λD = λth = thermal de Broglie wavelength of the gas PARTICLES.

Answer:

In every sample of carbon dioxide, there is 32.0g of oxygen present for every 12.0g of carbon. By DIVIDING 32.0 by 12.0, this simplifies to a mass RATIO of oxygen to carbon of 2.66 to 1. There is ANOTHER compound that forms from the combination of carbon and oxygen CALLED carbon MONOXIDE.

ANSWER:

LIGHTING of CANDLE or LAMP

As sulphate ore. (d) as sulphide ore. Gold is an INERT METAL and doesn't react easily, therefore, it occurs in FREE state in nature.

Answer:

here u=0 m/s

v=?

g=10m/s²(a)

s=20m

m=20kg

v²=u²+2as

v²=0+2×10×20

v=20m/s

momentum (p)=MV

=400 kg.m/s

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Answer:

1 T = 10S

2 . R = 500m

Explanation:

g = 10 m/s^2

U = 50m/s

T^2 = 2h/ g

T = ROOT 2× 500×10

T = 10s

R = u × T

R = 50 ×10 = 500 m

ANSWER:

QUESTION is not LOOKING PROPERLY

ANSWER:

k=mgh

=199×10×6

=11940j

11.940kj

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ANSWER:

SORRY for not RESPONDING to do it

EXPLANATION:

(d) Both (a) and (C)

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ANSWER:

0.16 JOULES is the CORRECT answer for your QUESTION.

Answer:

Thrust and Pressure

Have you ever wondered why a camel can RUN in a desert easily? Why an army tank WEIGHING more than a thousand tonne rests upon a continuous chain? Why a truck or a motorbus has much WIDER tyres? Why cutting tools have sharp edges? In order to address these questions and understand the phenomena involved, it helps to introduce the concepts of the net force in a particular direction (thrust) and the force per unit area (pressure) acting on the object concerned.

Let us try to understand the meanings of thrust and pressure by considering the following situations:

Situation 1 :

You STAND on loose sand. Your feet go deep into the sand. Now, lie down on the sand. You will find that your body will not go that deep in the sand. In both cases the force exerted on the sand is the weight of your body.

Answer:

work is said to be DONE when force APPLIED on an object SHOWS the displacement in that object .W= f

ANSWER:

by APPLYING the FORMULA of ANGLE of DEVIATION

<P>Explanation:

Work is done when a FORCE that is APPLIED to an object moves that object. The work is calculated by multiplying the force by the AMOUNT of movement of an object (W = F * d).

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Magnetic Field due to a STRAIGHT CURRENT Carrying Conductor

The Magnetic field lines around a straight conductor carrying current are concentric circles WHOSE centres LIE on the wire. The direction of magnetic field lines can be determined using Right-Hand Thumb Rule.

Given:

An electronic bulb draws 2.5 A current at 10 V

To Find:

The resistance of the filament of bulb

Solution:

We KNOW that,

Ohm's LAW:

Here,

• V = voltage
• I = current
• R = resistance

Units:

• V = Voltage (V)
• I = Ampere (A)
• R = Ohm (Ω)

According to the question,

We are asked to find the resistance of the filament of bulb

So, we MUST find "R"

Therefore,

Given that,

An electronic bulb draws 2.5 A current at 10 V

HENCE,

• V = 10 V
• I = 2.5 A

By substituting the values,

We get,

On further simplification,

We get,

Hence,

Therefore,

The resistance of the filament of bulb = 4 Ω

Answer:

200 N

Explanation:

The cabinet will move with constant velocity, if net external force acting on it is zero. Since a HORIZONTAL force of 200 N acts on the cabinet in the forward DIRECTION, therefore, net external force acting on it will be zero if frictional force of 200 N acts on it.

THUS frictional force = 200 N will be EXERTED on the cabinet.

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To find the direction of current :-

In straight current carrying wire:-

Use RIGHT hand RULE. It STATES that when you CURL your fingers of your right hand along the arrows of concentric lines then the thumb gives the direction of the current in the straight wire.

Like in the question you mentioned above if you curl your fingers clockwise like of the concentric lines arrow your thumb will point downward i.e. in the direction of A to B.

AnswEr :

• The refractive index of the GLASS will be √3 = 1.732.

Given :

• A ray of light strikes a glass plate at an ANGLE of 60° with the glass surface.

• The REFLECTED and REFRACTED rays are PERPENDICULAR to each other.

To Find :

• Refractive index of the medium = ?

Explanation :

As reflected and refracted rays are perpendicular to each other,

• Angle of incidence = sin 60°
• Angle of refraction = sin 30°

So,

★ Refractive index of the medium :

➝ sin i / sin r

➝ sin 60°/ sin 30°

➝ (√3/2) / (1/2)

➝ √3

➝ 1.732

The refractive index of the glass will be 1.732

⠀⠀━━━━━━━━━━━━

Something Interesting :

★ Refractive index is the dimensionless number.

★ It is all about the speed of light .

★ Refractive index are of 2 types :

• Relative refractive index.
• Absolute refractive index.

⠀⠀━━━━━━━━━━━━

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Answer:

At the junction of the optic nerve and the retina, there are no SENSORY cells, so no VISION is POSSIBLE at that SPOT. This is CALLED the blind spot.