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EXPLANATION:

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The wavelength of first line of LYMAN series in HYDROGEN atom is 1216 A∘.

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ANSWER:

D=600kg/m³

=(600×1000)/(100×100×100)

[1kg=1000g and 1m=100cm]

=600000/1000000

=6/10

=0.6g/cm³

EXPLANATION:

x2+10x-3 ANSWER LIKE KARO

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ANSWER:

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উপাদান একটি তরল মিশ্রণ গঠনের জন্য উপাদান বিতে দ্রবীভূত হয় .যদি এই মিশ্রণটি কোনও প্রক্রিয়া সি এর অধীন হয় তবে কেবলমাত্র উপাদান A পুনরুদ্ধার করা যেতে পারে UT তবে এই মিশ্রণটি যদি অন্য কোনও প্রসেস ডি সাপেক্ষে থাকে তবে উভয় A এবং B উভয়ই পুনরুদ্ধার করা যায় তাদের মিশ্রণ থেকে?

এ এর মতো উপাদানটির নাম রাখুন?

খ এর মতো উপাদানটির একটি উদাহরণ দাও?

প্রক্রিয়াটির নাম দিন।

ডি কি হতে পারে।

Answer:

snells LAW is REPRESENTED by the EQUATION SIN i divide by sin r =constant

ANSWER:

average velocity= Displacement/time or (INITIAL velocity+final velocity) /2

average SPEED = distance/time

acceleration=m/s^2

momentum=MASS times velocity

force= mass times acceleration

displacement=velocity×time

hope this helps

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thank you

AC MOTOR have SPLIT rings

whereas

dc motor have SLIP rings

Coulomb's law STATES that: The magnitude of the electrostatic FORCE of attraction or repulsion between TWO point charges is DIRECTLY proportional to the product of the magnitudes of charges and inversely proportional to the square of the DISTANCE between them.

ANSWER:

every object in the universe address every other object with the first elected ALONG the line of a sentence for the two objects that is PROPORTIONAL to the PRODUCT of their masses and inversely proportional to the square of the SEPARATION

ANSWER:

The value of 'g' on the surface of the earth is

. Find its value on the surface of the MOON . GIVEN MASS of earth

kg , RADIUS of earth =

m , mass of the moon =

kg , radius of moon =

m .

Explanation:

Ideal machine OUTPUT is equal to its INPUT so it's EFFICIENCY is practically equal to 100% WHEREAS in actual machine output is not equal to its input.

ANSWER:

(2). findvelocityof car at 10 SECONDS? (3). FIND velocity of at 12 second? (4 ).find the distance travell in first 6 ...

Explanation:

(2). findvelocityof car at 10 seconds? (3). find velocity of at 12 second? (4 ).find the distance travell in first 6 ...

Answer:

1)Equation for NEWTON

third law of motion.

F1 = -F2

Every ACTION have equal and OPPOSITE reactions.

Refer to the ATTACHED image for answer

EXPLANATION:

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ANSWER:

no.

EXPLANATION:

because MARS has 95-97% of CO2 in it's atmosphere.

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ANSWER:

The REFRACTIVE INDEX between GLASS and WATER is 0.89.

ANSWER:

Work DONE depends on the force APPLIED and the perpendicular distance

Explanation:

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1. Note that fire can have a shadow not because the incoming light beam scatters off the light in the FLAME. On the fundamental level, one beam of light cannot directly interact with another beam of light. ... Fires can have shadows because they contain hot air and soot, and not because they contain light.
2. Yes, air can indeed make shadows. A shadow occurs when an OBJECT in a light beam prevents some of the light from continuing on in the forward direction. When the light beam hits a WALL or the ground, a darker shape is visible where less light is hitting the surface.

Answer:

use CALCULATOR BRO..

HOPE it help U...

Explanation:

A GALVANOMETER of resistance 50 Ω is connected to a battery along with a resistance 2950 Ω in series.

so, Req =

= 50 + 2950 = 3000 Ω

now, current through galvanometer, I = 3v/3000 = 10^-3 A

current for 30 divisions = I = 10^-3 A

⇒current for 1 division = I/30 = 1/30 × 10^-3 A

⇒current for 20 divisions = 20I/30 = 20/30 × 10^-3 A = 2 × 10^-3/3 A

now, equivalent resistance will be , Req = 3v/(2 × 10^-3/3) = 9000/2 = 4500 Ω

as it is given, resistance of galvanometer is 50 Ω

so, resistance in series should be , R = Req -

= 4500 - 50 = 4450 Ω

So Answer Should be B

Hope it helps

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Answer:

When an ELECTRIC current is passed through a CONDUCTOR, the conductor becomes HOT after some time and produce heat. This happens due to the CONVERSION of some electric energy PASSING through the conductor into heat energy. This effect of electric current is called heating effect of current.

ANSWER:

HLO.........

Spherical Mirrors. A spherical mirror is a mirror which has the shape of a piece cut out of a spherical surface. There are TWO TYPES of spherical mirrors: concave, and convex.... .........

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EXPLANATION:

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ANSWER:

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Answer:

Law of radioactive decay : At any instant, the rate of radioactive DISINTEGRATION is directly PROPORTIONAL to the number of nuclei of the radioactive element PRESENT at that instant.

We know by radioactive decay law

dt

dN

​  

∝N

or  

dt

dN

​  

=−λN

where λ is the constant of proportionality called radioactive decay constant. Let N  

0

​  

 be the number of nuclei present at TIME t=0, and N the number of nuclei present at time t.

∫  

N  

0

​  

N

​  

N

dN

​  

=−∫  

0

t

​  

λdt=−λ∫  

0

t

​  

dt

log  

e

​  

N−log  

e

​  

N  

0

​  

=−λt

log  

e

​  

(  

N  

0

​  

N

​  

)=−λt

N  

0

​  

N

​  

=e  

−λt

N=N  

e  

−λt

Explanation:

ANSWER:

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ANSWER:

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Answer:

IMAGE is FORMED 30cm from the mirror ( to the left of it)

Inverted image is formed.

Size of image = 2cm.

Explanation: kindly CHECK the ATTACHMENT for the solution--

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Answer:

The answer is

Explanation:

A vector which has a MAGNITUDE of 1 is a UNIT vector. It is also known as Direction Vector. For example, vector V = (1,3) is not a unit vector, because its magnitude is not equal to 1, i.e., |v| = √(12+32) ≠ 1.

ANSWER:

(D.) 100 gram

Explanation:

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Answer:

His first law STATES that every object will remain at rest or in uniform motion in a straight line unless compelled to CHANGE its STATE by the action of an external force. This is normally taken as the DEFINITION of inertia. ... The amount of the change in velocity is determined by Newton's second law of motion.

ANSWER:

EXPLANATION:

he SAID that i had been a GREAT HELP to him

ANSWER:

EXPLANATION:

LET dielectric constant of material used be K

K=12

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​  

Answer:

SIN(150) = sin (90 + 60) = sin (90 - 60) = sin(30) = ½. So, sin 150 =1/2.

Answer:

This expression for SLOPE is the same as the DEFINITION of VELOCITY: v = Δ X Δ t = x 2 − x 1 t 2 − t 1 v =\dfrac{\DELTA x}{\Delta t}=\dfrac{x_2-x_1}{t_2-t_1} v =ΔtΔx ...

ANSWER:

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Explanation:

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Answer:

1. Beans

Beans are incredibly nutritious and an ESPECIALLY good source of protein (5Trusted Source).

Protein has been shown to increase levels of insulin-like growth factor 1 (IGF-1), an important hormone that regulates growth in children (6Trusted Source, 7Trusted Source).

Beans are also high in iron and B vitamins, which can help protect against anemia, a condition characterized by a lack of healthy red blood cells in the body (8Trusted Source).

Not only is iron required for tissue growth, but iron deficiency anemia may also contribute to delayed growth in children (9Trusted Source).

Furthermore, beans are rich in several other nutrients, such as fiber, copper, magnesium, manganese, and zinc (5Trusted Source).

SUMMARY

Beans are high in protein and iron, which can protect against anemia and promote proper growth.

2. Chicken

Rich in protein along with a range of other essential nutrients, chicken can be an excellent addition to a healthy diet.

It’s particularly high in vitamin B12, a water-soluble vitamin that’s crucial when it comes to growing taller and maintaining your height (10Trusted Source).

It’s also loaded with taurine, an amino acid that regulates bone FORMATION and growth (11Trusted Source).

What’s more, chicken is loaded with protein, containing around 20 grams in a 3-ounce (85-gram) serving (12Trusted Source).

Although the precise nutritional profile can vary a bit based on the cut and cooking method, chicken is also a good source of niacin, selenium, phosphorus, and vitamin B6 (12Trusted Source).

SUMMARY

Chicken is an excellent source of many nutrients for growth, such as protein, vitamin B12, and taurine.

3. Almonds

Almonds are jam-packed with many of the vitamins and minerals necessary for growing taller.

Besides bringing a host of healthy fats to the table, they’re high in fiber, manganese, and magnesium (13Trusted Source).

Plus, almonds are rich in vitamin E, a fat-soluble vitamin that doubles as an antioxidant (13Trusted Source, 14Trusted Source).

A deficiency in this important vitamin can come with serious side effects, including stunted growth in children (15Trusted Source).

Almonds may also help foster bone health. In one small study in 14 people, consuming almonds was found to inhibit the formation of osteoclasts, which are a type of cell that breaks down bone tissue (16Trusted Source).

SUMMARY

Almonds are high in vitamin E and have been shown to inhibit the formation of osteoclasts, a type of cell that breaks down bone tissue.

4. Leafy greens

Leafy greens, such as spinach, kale, arugula, and cabbage, are superstars when it comes to nutrition.

While the exact amount of nutrients fluctuates between different types, leafy greens generally offer a concentrated amount of vitamin C, calcium, iron, magnesium, and potassium (17Trusted Source, 18Trusted Source).

They’re also rich in vitamin K, a nutrient that can increase bone density to support enhanced growth and help maintain your height (19Trusted Source, 20Trusted Source).

One study in 103 women even showed that regular intake of greens was associated with a significantly lower risk of decreased bone mass (21Trusted Source).

SUMMARY

Leafy greens are high in vitamin K, which supports bone health. One study found that regular intake of greens COULD preserve bone mass.

5. Yogurt

Yogurt is a great source of several key nutrients that are important for growth, including protein.

In fact, just 7 ounces (200 grams) of Greek yogurt pack in nearly 20 grams of protein (22Trusted Source).

Certain types also contain probiotics, which are a type of beneficial bacteria that can help support gut health.

In addition to improving immune function and decreasing inflammation, some research shows that probiotics can help increase growth in children (4Trusted Source, 23Trusted Source).

Yogurt is likewise an excellent source of several nutrients involved in bone metabolism, including calcium, magnesium, phosphorus, and potassium (22Trusted Source).

SUMMARY

Yogurt is high in protein, as well as calcium, magnesium, phosphorus, and potassium. Some types may also contain probiotics, which may help improve growth.

Explanation:

When KE INCREASES by 300%, the VALUE of KE becomes 4 times it's ORIGINAL value. So, V increases by 100%.

Solution:

Given,

• PERSON started from rest
• Acquires a speed of 20 m/s in 10s
• After travelled uniformly for 5s

To FIND,

• TOTAL distance traveled after 15 s

________________________________

Firstly FINDING acceleration

a = (v - u)/t

Where

• a : acceleration
• v : FINAL velocity
• u : initial velocity
• t : time taken

Here , final velocity (u) = 20m/s & initial velocity (u) = 0 m/s because the person starts from rest

→ a = 20 - 0/10

→ a = 20/10

→ acceleration = 2 m/s²

Now , finding distance travelled in 15 s by using 1st equation of motion.

S = ut + 1/2 at²

Where

• s : distance
• u : initial velocity
• t : time
• a : acceleration

→ S = 0(15) + 1/2 (2)(15)²

→ S = 0 + 225

→ S = 225 m

Hence , distance travelled in 15s = 225 m

ANSWER:

Explanation:

Given that, number of electrons in element X = 15 and number of neutrons = 16 Atomic number = number of protons = number of electrons in NEUTRAL atom = 15 Mass number = number of protons + number of neutrons = 15+16=31  

31/15 X and MARK me as brainlest and inbox me!!!!!!!!!!

EXPLANATION:

yes value is ZERO of zero

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EXPLANATION:

ANSWER:

we should TRY to WARM up in the TIME of MORNING

Answer:

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Explanation:

In an atom, magnetism arises from the spin and orbital MOMENTUM of its electrons. 'Magnetic ANISOTROPY' describes how an atom's magnetic properties depend on the orientation of the electrons' ORBITS relative to the structure of a MATERIAL. It also provides directionality and stability to magnetization.

ANSWER:

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Explanation:

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EXPLANATION:

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EXPLANATION:

For MIRROR,

For LENS,