x and y are two homologous carbon compound whose boiling point are given in the table 1) which molecules will have the high molecular mass? 2) wil. they have similar or different chemical properties why? write the chemicsl formula of first two members of a homologous series of alkane. ​

Answer:

The electric field intensity at a point is the force experienced by a unit positive charge placed at that point. Electric Field Intensity is a vector quantity. It is denoted by 'E'. Formula: Electric Field = F/q.

Explanation:

the electric intensity at a point is the force experienced by a unit positive charge placed at that point electric intensity field is a vector quantity .it is denoted by 'E'.

Electric intensity=F/q

this is the answer

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Answer:

Metre bridge apparatus is also known as a slide wire bridge. It is fixed on the wooden block and consists of a long wire with a uniform cross-sectional area. It has two gaps formed using thick metal strips to make the Wheatstone’s bridge.

Then according to Wheatstone’s principle, we have:

X/R = l/(100-l)

The unknown resistance can be calculated as:

X = R l/(100-l)

Then the specific resistance of the material of the is calculated as:

p=πr²X/L

Where,

L is the length of the wire

r is the radius of the wire

Answer:

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Q- A jogger is training for a 5 km charity run. He starts with a run of 400 m then he increases the distance he runs by 200 m each day. How many days does it take the jogger to reach a distance of 5 km in training? What total distance will he have run in training by then?

Given,

Total distance = 5km

The distance covered on the first day = 400m

He increases the distance he runs by 200 m each day

To Find,

Days taken to reach a distance of 5km =?

The total distance will he have run in training by then =?

Solution,

The distance covered on the first day = 400m

The distance covered on the second day = 400m + 200 = 600m

The distance covered on the third day = 600m + 200m = 800m

This is an AP as difference between each day is same.

Therefore, a = 400m and common difference = 200m

According to the question, nth term of AP = 5k = 5000m

By the formula of the nth term in AP, we have

[tex]a_n = a + (n-1)d\\5000 = 400 + (n-1)*200\\5000 - 400= (n-1)*200\\4600/200= (n-1)\\23 + 1 = n\\n =24[/tex]

Days taken to reach a distance of 5km = 24 days

The total distance will he have run in training by then =  The sum up to the nth term in the AP

[tex]S_n = (n / 2)(2a + (n-1)d)\\S_n = (24 / 2)(2*400 + (24-1)200)\\S_n = 12*(800 + 23*200)\\S_n = 12*(800 + 4600)\\S_n = 12*5400\\S_n = 64800[/tex]

Hence, the jogger will take 24 days to reach a distance of 5 km in training. He will have run 64800(64.8km) in training by then.

Answer:

The cork cambium is a lateral meristem and is responsible for secondary growth that replaces the epidermis in roots and stems. It is found in woody and many herbaceous dicots, gymnosperms and some monocots (monocots usually lack secondary growth).

Answer:

Cork cambium (pl. cambia or cambiums) is a tissue found in many vascular plants as a part of the epidermis. It is one of the many layers of bark, between the cork and primary phloem. The cork cambium is a lateral meristem and is responsible for secondary growth that replaces the epidermis in roots and stems. It is found in woody and many herbaceous dicots, gymnosperms and some monocots (monocots usually lack secondary growth). It is one of the plant's meristems – the series of tissues consisting of embryonic disk (incompletely differentiated) cells from which the plant grows. The function of cork cambium is to produce the cork, a tough protective material.

Cork cambium of woody stem (Tilia). It is different from the main vascular cambium, which is the ring between the wood (xylem) on the inside (top) and the red bast (phloem) outside it.

Synonyms for cork cambium are bark cambium, pericambium and phellogen. Phellogen is defined as the meristematic cell layer responsible for the development of the periderm. Cells that grow inwards from there are termed phelloderm, and cells that develop outwards are termed phellem or cork (note similarity with vascular cambium). The periderm thus consists of three different layers:

phelloderm – inside of cork cambium; composed of living parenchyma cells

phellogen (cork cambium) – meristem that gives rise to periderm

phellem (cork) – dead at maturity; air-filled ery variable between different species, and is also highly dependent on age and growth conditions, as can be observed from the different surfaces of bark, which may be smooth, fissured, tesselated, scaly, or flaking off.