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Bhabha

In India Bhabha LAID the FOUNDATION of Modern science & technology.

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Answer:

100÷20=5volt

5=2R

R=2.5

ANSWER:

a=3.75

Explanation:

a=r2/v

a=2×2/15

a=4/15

a=3.75

if the length of the wire is INCREASED the resistance increases.The resistant increases there will be INCREASE in TEMPERATURE so there is a increase in resistivity.

rho= s

l= 2l

rho=R × A/l

R=rho × l/A

AREA of cylinder=2πr²

R=s×2l/2πr²

Answer:

In THERMODYNAMICS, the triple point of a substance is the TEMPERATURE and pressure at which the three PHASES (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium.[1] It is that temperature and pressure at which the sublimation curve, fusion curve and the vaporisation curve meet. For example, the triple point of mercury occurs at a temperature of −38.83440 °C and a pressure of 0.2 mPa.

In addition to the triple point for solid, liquid, and gas phases, a triple point may involve more than one solid phase, for substances with multiple polymorphs. Helium-4 is a special case that presents a triple point involving two different fluid phases (lambda point).[1]

The triple point of water was used to define the kelvin, the base unit of thermodynamic temperature in the International System of Units (SI).[2] The value of the triple point of water was fixed by DEFINITION, rather than MEASURED, but that changed with the 2019 redefinition of SI base units. The triple points of several substances are used to define points in the ITS-90 international temperature scale, ranging from the triple point of hydrogen (13.8033 K) to the triple point of water (273.16 K, 0.01 °C, or 32.018 °F).

The term "triple point" was coined in 1873 by James Thomson, brother of Lord Kelvin.[3]

Answer: to give the colour to the

The closed glass CHAMBER of the bulb contains, an inactive (inert) gas, Argon. The glass chamber can’t be filled with air as the presence of oxygen will cause the filament to burn, i.e. react with oxygen. The glass chamber can’t be made vacuum. As in vacuum condition, the filament will EVAPORATE because of very high temperature, making the bulb unusable. The only SOLUTION to these problems is an inert gas. The inert gas within the bulb will maintain a particular pressure, preventing the filament from evaporating. An OBVIOUSLY, inert gas won’t react with the filament. Nitrogen is also used like argon .

Explanation:

Answer:

CROW is in the STATE of rest with respect to cow because the RELATIVE motion is defined by the two NON contact body they both are in contact with each other here the crow can be in the state of motion with EXCEPT the cow.

Answer:

magnetic FLUX =[ML^2 A^-1T^-2]

EXPLANATION:

magnetic flux =B.A

unit=tesla .m^2

tesla =N÷A.m

Putting VALUES

magnetic flux=N.m^2÷A.m

The METER and meter cancels out

we get magnetic flux =N.m÷A

• Dimension

Flux = N.m.A^-1

=kgm.m.A^-1÷s^2

= [ML^2 A^-1 T^-2]

Answer:

1–logx X” Now, F(x) = 0 => 1 – log x = 0 TX log x = 1 TX log x = log e TX 3 = € x” (-) -(1-logx)( 2X) Now, f"(x)=–4—H —x–2x(1–logx) 4 3.

Answer:

melting and boiling POINT and conductivity of a covalent compounds is different from ionic bond. bcoz covalent bond is made by SHARING of electrons it is not completely stable and not STRONGLY bounded

Answer:

Tides in the SEAS are caused due to the gravitational influence of the sun and moon due to HUGE mass of water but some water won't MAKE TIDE

EXPLANATION:

you need huge mass of water for tides to form.

i THIK there is no CHANGE in his VELOCITY

1. ANSWER is SUPPOSE X and x is any VARIABLE

Answer:

CLASS btao apne baby JLDI SE

Answer:

AMPERES Circuital Law-- AMPERE's Circuital Law STATES the relationship between the CURRENT and the magnetic field created by it.

Explanation:

Answer is 2sec

T = 2π√(I/MB)

For a rod I = (Mℓ2/I2)

For half length I' = [{(m/2)(ℓ/2)2}/12] = (mℓ2/12) × (1/8) = (I/8) and magnetic moment = M' = (M/2)

HENCE new time period = T' = 2π√(I'/MB) T' = 2π√[(I/8)/{(M/2)B}] = 2π√(I/MB) ∙ √(2/8) = (2π/2) √(I/MB) = (1/2)[2π√(I/MB)] T' = (1/2)T T' = (T/2) Given T = 4 SEC

T' = (4/2) = 2sec

done

ANSWER:

Limitations on Newton's 2nd Law

only if the mass is constant. Since the mass changes as the speed approaches the speed of light, F=ma is SEEN to be STRICTLY a non-relativistic relationship which applies to the ACCELERATION of constant mass objects.

EXPLANATION:

a solution is a HOMOGENEOUS mixture of two or more substances which contain solute and solvent.

ANSWER:

second law of Newton SAYS about how to caculate the force but FIRST laws says that the PROPERTIES of force

A person's weight on the Moon is 1/4 of their weight on EARTH. So, CONVERT the person's MASS, 60N, into weight, first.

Answer:

H2O hydrogen 2 OXYGEN OK

Explanation:

Base-- A base is a chemical species that donates electrons, ACCEPTS protons, or releases hydroxide (OH-) ions in AQUEOUS solution.

Example-- Sodium Hydroxide,

Answer:

58.8°C is the BOILING POINT of BROMINE................

ANSWER:

CONVEX LENS..

.........

ANSWER:

here your answer DISTANCE and DISPLACEMENT

The AMPLITUDE of VIBRATION at NODE is 0.

MARK AS BRAINLIEST

Answer:

The scaler product of two VECTOR can be CONSTRUCTED by taking the COMPONENT of one vector in the direction of the other and multiplying it's time magnitude of the other vector.

EXPLANATION:

just EQUATE the INITIAL and FINAL RESISTANCES .

ANSWER:

5 minutes and 10 minutes

Explanation:

MARK me the BRAINLIEST answer PLEASE

Acc. To me,

Your answer is D

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Formula of W=F*S*COS∅

W is -ve or +ve depend on cos∅(ANGLE b/w force and dislacement)

cos 90=0 ---W=0

cos120= -1/2-----w= -ve

cos180= -1------w= -ve

cos60=1/2 ----w = +ve

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I HOPE you UNDERSTAND my answer

Answer:

1). ( 9-√5)/2. m/s SQUARE

2). STONE V. 20√5 m/s square

ironball v. ( 39√5-31)/2 m/s square

ANSWER:

the AREA of graph gives SPEED so the area will be 36 and 1/2 ×36 is 18

Fractional Distillation is a method to separate TWO MISCIBLE LIQUIDS

REFER the ATTACHMENT ❤

Answer:

FIRST law:-- In an inertial frame of reference, an object either remains at rest or continues to MOVE at a constant velocity, unless acted UPON by a force.

Second law:-- In an inertial frame of reference, the vector sum of the forces F on an object is equal to the mass m of that object multiplied by the acceleration a of the object: F = ma. (It is ASSUMED here that the mass m is constant – see below.)

THIRD law:-- When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body

Answer:

VELOCITY will be same..... not matter it PASSES from which INCLINATION ANGLE

ANSWER:

if you UNDERSTAND this I FEEL happy

let me KNOW that you understand

Explanation:

option D is CORRECT

Acceleration due to gravity G=GM/R² ——-(1)

The radius is constant, VOLUME also constant.

If volume is constant, density is proportional to mass.(v=m/ρ)

The density is doubled, the mass is also doubled. (M’=2M)

The new acceleration due to gravity g’=GM’/R’²

Put the VALUE M’=2M and R’=R

g’=G(2M)/R²

g’=2GM/R² ——–(2)

SUBSTITUTING equations (1) and (2), we get

g’=2g

g=9.8 m/s²

g’=2×9.8=19.6 m/s²

tq❤

EXPLANATION:

A VECTOR qunatity that has both MAGNITUDE and directio

Explanation:

The greater the amplitude, or angle, the FARTHER the PENDULUM falls; and therefore, the longer the PERIOD. Originally ANSWERED: What happens with the period of a simple pendulum if its length is doubled.Mark as BRAINLIEST

Explanation:

· QUANTITIES having DIFFERENT dimensions can only be divided or MULTIPLIED but they cannot be added or subtracted. Hence, the right answer is A/B. A /B. can be meaningful as we can write unit of VELOCITY as m/sec.

ANSWER:

work=100*500=50000j

25j=10 PAISE

50000j=2000 paise=20 RUPEES

ANSWER:

RIGHT direction

3km/hour

Answer:

1N=1Kg m/s^2

1N=1000 G X 100 cm/s^2

1N=10^5 g cm/s^2

1 DYNE=1 g cm/s^2

1N=10^5 Dyne

ANSWER:

The EMF and INTERNAL resistance of the equivalent cell are 1.7 V and 0.12 ohms. HENCE, The emf and internal resistance of the equivalent cell are 1.7 V and 0.12 ohms

ANSWER:

where is the GRAPH,......

........???

ANSWER:no, if it is of metal

Explanation:

because metal are good conductor of electricity, thunder STORM MAY CAUSE CONDUCT electricity to your armor.

ANSWER: 120m

Explanation:

Range=4√H1×H2

=4√36×25

=4×6×5

=120m

Mark the BRAINLIEST if U LIKE it :)

Answer:

in ORDER to INCREASE the RANGE of VOLTMETER R has to be INCREASED,

Answer:

R = 5 ohm

potential DIFFRENCE: 10v

I =?

p=?

I =v/R

I = 10/5 = 2 ampere

P =vI

P =10 × 2 = 20 watts