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answer is (2) I THINK.................

ong>Answer:

Here, the light RAY bends away from the normal. We see that the INCIDENT and emergent rays are PARALLEL to each other. These rays are parallel because the extent of bending on the opposite and parallel FACES of slab is equal and opposite

ong>Answer:

We BALANCE the equation so that we won't VIOLATE the LAW of Conservation Of Mass that mass can't be created nor DESTROYED

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ong>Answer:

ANSWER

B

1

=

2r

1

n

1

μ

0

i

1

=

2×25×10

−2

24×μ

0

×10

=480μ

0

T GOING into the plane

B

2

=

2r

2

n

2

μ

0

i

2

=

2×15×10

−2

18×μ

0

×15

=900μ

0

T going out of the plane

Bnet=B

2

−B

1

=(900−480)μ

0

=420μ

0

T

Explanation:

I hope this is helpful to you

Answer:-

Advantages:-

CELLS connected in series give a greater resultant voltage than individual cells. Voltage increases if the NUMBER of cells increases. II. Faulty cells are easily DETECTED and replaced because they break the CIRCUIT.

Disadvantages:-

The first disadvantage is that, if one component in a series circuit fails, then all the components in the circuit fail because the circuit has been broken. The second disadvantage is that the more components there are in a series circuit, the greater the circuit's RESISTANCE*.

ong>ANSWER:

where is the question

Explanation:

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Given,

u=10m/s

a=−2m/s

2

n=5

The DISTANCE covered by the PARTICLE in n

th

SECOND is

S

n

=u+

2

a

(2n−1)

S

5

=10−

2

2

(2×5−1)

S

5

=10−9=1m

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ong>ANSWER

yes

Explanations

yes

• as the ratio of DISTANCE and DISPLACEMENT is always less
• as the distance is actuall PATH and displacement is SHORTEST path
• displacement is vector it can be positive , negative and equal to zero

Answer is (1) 8hr 55min

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What is RESISTANCE TRAINING.

60ft^2..........................

ong>Answer:

PV=nRT=

M

w

RT

Hence, PM=

V

w

RT=ρRT

ρ∝P

Here, ρ=

V

w

n=

M

w

ρ is the density, P is the pressure, V is the volume, n is the number of moles, R is the IDEAL gas constant, T is the temperature and M is the molar mass

o BENZOIC ACID is FORMED

wer

In astronomy, Kepler's laws of PLANET MOTION are THREE scientific laws describing the motion of planets AROUND the Sun, published by Johannes Kepler between 1609 and 1619.

DA is the CURRET answer

ong>Explanation:

Given a current 10A flows downwards a in a long straight vertical conductor and the EARTH's HORIZONTAL  is 2 x 10- 7 T . Then the neutral point occurs  

•     Magnetic field due to infinite wire is μoI / 2π r
•  We have at neutral point net magnetic field is zero
• Therefore we have magnetic field due to wire is equal to magnetic field due to earth.
• So I = 10 A
• So we get  Magnetic field will be
•   Substituting the values we get   2 x 10^-7 = μo x 10 / 2 π r
•                 2 πr x 10^-7 = 5 μo
•                Or r = 5 μo / 2π x 10^-7
•                Or r = 5 x 4π x 10^-7 / 2π x 10^-7
•                Or r = 10 m
• Magnetic field due to wire will be MOVING against the magnetic field due to earth in the east direction and hence both will cancel each other.

Reference link will be

brainly.in/question/23296041

only POSSIBLE if the COLLISION is ELASTIC

ong>ANSWER:

FIND into the DOUBT your answer will be find in this apps

a ISKA mareko VI NAA patahhbbz BZ

ong>Answer:

FLEMING's left-hand RULE is USED for electric motors, while Fleming's right-hand rule is used for electric GENERATORS. Different hands need to be used for motors and generators because of the DIFFERENCES between cause and effect.

Explanation:

TRUE

Explanation:

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YES I am marathi

u are from

rong>ANSWER:

The moment of inertia of a RIGID BODY about any axis is equal to the sum of its moment of inertia about a parallel axis through its centre of MASS and the PRODUCT of the mass of the body and the square of the distance between the two axes.

the VASTUS lateralis, vastus medialis, vastus intermedius, and the RECTUS femoris.

Explanation:

the RATIO of SMALL charge in PLATE VOLTAGE and small changes in grid voltage is , if plate current is constant

atomic number of this ELEMENT is 15, so its ELECTRONIC configuration will be K L M2, 8, 5. ... Since ONE atom of this element needs 3 electrons to achieve the INERT gas electron configuration, therefore, its valency is 3.

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ya relly newton second law of motion falling a APPLE in a tree

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Astronomical unit (AU) is the average distance between the earth and SUN, approximately 1.5 x 100 km. The speed of light is about 3.0 x 10 m/s. The speed of light in astronomical unit per minute is (a) 0.012 AU/min (b) 0.12 AU/min (c) 1.2 AU/min (d) 12.0 AU/min (AMU (Med.))

ong>ANSWER:

Gastrocnemius and Soleus

Explanation:

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Given:-

• Power of lens ,P₁ = -5.5D

• Power of lens , P₂ = 1 .5 D

To Find:-

• Focal length ,f in both case.

Solution:-

As we know that Power of lens is defined as the reciprocal of its focal length

→ P = 1/f

calculating focal length of 1ST lens

→ P₁ = 1/f₁

Substitute the value we get

→ -5.5D = 1/f

→ -5.5 ×f = 1

→ f₁ = 1/(-5.5)

→ f₁ = -0.18 m

∴ The focal length of 1st lens is 0.18m.

Now Calculating focal length of 2nd lens

→ P₂ = 1/f₂

Substitute the value we get

→ 1.5 = 1/f₂

→ 1.5×f₂ = 1

→ f₂ = 1/1.5

→ f₂ = 0.06 m

∴ The focal length of 2nd lens is 0.06 metre.

ong>EXPLANATION:

The theorem STATES that “the moment of inertia of a plane lamina about an axis perpendicular to its plane is equal to the SUM of the moments of inertia of the lamina about any TWO mutually perpendicular axes in its plane and intersecting each other at the point where the perpendicular axis passes though it.”

ong>ANSWER:

True

Explanation:

Beacuse, A muscle contraction is isometric if muscle TENSION CHANGES, but muscle length remains the same. and . It is isotonic if muscle length changes, but muscle tension remains the same.

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A is your CORRECT answer

question 2 ?

1st BEACKER which is 1° c CONTAIN more densed WATER.

Endoscopy is a nonsurgical procedure used to examine a PERSON's DIGESTIVE tract. Using an ENDOSCOPE, a flexible tube with a light and camera attached to it, your doctor can view pictures of your digestive tract on a color TV monitor.

ong>EXPLANATION:

given FOCAL length = 12.6

find power....

we KNOW that ,

power = 1/f

so power p = 1/12.6 = 0.0793650794

hope it HELPS you guys

>Given

Focal length of concave mirror f = -10 cm

Height of the object ho = 2 cm

Height of the image hi = 6 cm

We need to find the object distance

So we know that

Magnification m = hi/ho = 6/2 = 3 (erect image)

m = -v/u

3 = -v/u

⇒ v = -3u

Let US now CONSIDER

Mirror FORMULA: 1/v + 1/u = 1/f

1/(-3u) + 1/u = 1/(-10)

⇒ u = -20/3 = -6.7 cm

So At -6.7cm distance from a concave mirror of focal length 10cm should an object 2cm long be placed in order to GET an erect image 6cm tall.

The average SPEED is the ratio of total traveled distance to total time taken.

Let d be the total distance traveled by the car.

Thus distance traveled in each journey is d/2.

So, the time taken for going up the hill is t

1

=

v

1

(d/2)

=

37

d/2

=

74

d

Time taken for going down the hill is t

2

=

66

(d/2)

=

132

d

Thus, average speed is v

AVG

=

t

1

+t

2

L

=

(L/74+L/132)

L

=47.4km

this is a your ANSWER

OK..

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A solid of density p has weight W. Show that it's apparent weight will be [1-(pL/p)] when it is completely IMMERSED in a liquid of density pL.

→ Apparent weight of the solid = (Weight of solid in AIR) - (loss of weight of solid in liquid)

→ but, loss of weight of solid in liquid is equals to the weight of liquid displaced.

→ Thus, weight of liquid displaced is the product of Volume of solid and density of liquid.

where,

weight of solid = W

density = D

but, density of liquid = d.

→ Thus, weight of liquid displaced = w.d / D = Loss of weight of solid into liquid.

.

→ Hence, apparent weight of the solid is

.

ong>Answer:

The answer will be TRUE .

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ong>EXPLANATION:

Nacl have the highest ATTRACTION force as it is a solid.

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Formula:

where e is electric field and f is FORCE.

f here is = 0.01N

q =

so,

HOPE this gonna help you ♡(∩o∩)♡

Hope this will HELP you (๑・ω-)～♥”

ong>ANSWER:

Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points. Introducing the constant of proportionality, the resistance,[1] one arrives at the usual MATHEMATICAL equation that describes this relationship:[2]

V, I, and R, the parameters of Ohm's law

{\displaystyle I={\frac {V}{R}},}I={\frac {V}{R}},

where I is the current through the conductor in units of amperes, V is the voltage measured across the conductor in units of volts, and R is the resistance of the conductor in units of ohms. More specifically, Ohm's law states that the R in this relation is constant, independent of the current.[3] Ohm's law is an empirical relation which accurately describes the conductivity of the VAST majority of electrically conductive materials over many orders of magnitude of current. However some materials do not obey Ohm's law, these are called non-ohmic.

The law was named after the German physicist Georg Ohm, who, in a treatise published in 1827, described measurements of applied voltage and current through simple electrical circuits containing various lengths of wire. Ohm explained his experimental results by a slightly more complex equation than the modern form above (see § History below).

In physics, the term Ohm's law is also used to refer to various generalizations of the law; for example the vector form of the law used in electromagnetics and material science:

{\displaystyle \mathbf {J} =\sigma \mathbf {E} ,}\mathbf {J} =\sigma \mathbf {E} ,

where J is the current density at a given location in a resistive material, E is the electric field at that location, and σ (sigma) is a material-dependent parameter called the conductivity. This reformulation of Ohm's law is due to Gustav Kirchhoff.[4]