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5951.

Why the birds not get current if they stand on the wire

Answer» Becz the wire is covered by A hard rubber covering
Because there legs are shock resistance
Birds not get the current because their feets are shock resistance
Because there feet is shock resistance
5952.

Who is a scientists of india

Answer» APJ Abdul kalam
No
5953.

How can make the formula in ch-3 atom and moleculsz

Answer»
5954.

Meaning of gram molecular mass

Answer» Mass of a molecular is known as a gram molecular Mass Posted by seema Awasthi
Mass of a molecule is known as gram molecular mass
5955.

what is the drawback of Neils Bohr in the lesson "The Structure Of an atom"?

Answer» According to bhor\'s model atom consist of three layers proton electron and netron.The proton, electron are located in a small shell called nucleus
5956.

How does sound propagate??

Answer» Sound propogate due to continuous compression and rarefaction
5957.

Define equation motion

Answer» There are three equation of motion.
A body is said to be in motion when its position changes continuously with respect to a stationary object taken as reference point
5958.

What is micronutrients and macronutrients

Answer» Micro means small and macro means large
Micronutrients are nutrients required by plants in small quantities. Macronutrients are nutrients required by plants in large quantities
5959.

Differnce between atom and moleclues

Answer» Atom is the smallest unit of element and molecule forms by co valent bonds
Atom is a smallest particle of matter
Atom- is smallest particle of an elementMolecule- is smallest particle of an compound
Atom - an atom is the smallest particle of an element that can tailor part in a chemical reactionMolecule - a molecule is a group to atoms that takes part in a chemical reaction.
5960.

Structure of an atom

Answer» atom is a small particles atom can neither nor be created nor be dertroyed
5961.

What is the number of molecules of sulphur present in 16g of solid sulphur

Answer» 3.011×10²³
0.376×10^23 (approx)
3.011×10*23
5962.

Application of sonar

Answer» Sonar is device which is to measure the depth of the sea and locate underwater things
SONAR stands for sound navigation and ranging. It is used to find the depth of sea and locate underwater objects .
Sound navigation and ranging it is an ultasound that is used for search the cracks in a metao box or cracks of ship or anything..
5963.

What is sound and how it is produce

Answer» Sounds are hear from vibrating bodies of any ☺☺☺
Sound is a form of energy and it produces sensation of hearing in our ears and is produced by vibrating bodies ??
Sound is a form of energy which produces a sensation of hearing in our ears. It is produced by a vibrating body and travels through a medium.Hence it is also called mechanical waves.
5964.

What are cisterns

Answer» Membrane bound tubules approximately parallel to each other in golgi appartus.
5965.

Factorise a8_b8

Answer» 8(a-b)
5966.

What is law of conservation of mass? Explain with experiment

Answer» m1u1+m2u2=(m1+m2)v
Sum of force before collision =sum of force after collision
5967.

what is pressure and S.I unit ???

Answer» Thrust per unit area claaed pressureS.I. unit- pascal
5968.

A woman\'s oviduct are blocked then mensturation ..........?????

Answer» Every month during ovulation, which occurs roughly in the middle of a menstrual cycle, the fallopian tubes carry an egg from an ovary to the uterus. ... If a fallopian tube is blocked, the passage for sperm to get to the eggs, as well as the path back to the uterus for the fertilized egg, is blocked.
5969.

what is force and what is its S.Iunit ??

Answer» A push or pull of an object is known as force Its s.i unit is N
Push or pull on a body is called forceIts s.i unit is newton(N)
5970.

Which part of plant all permits it to withstand very dillute medium without brusting?

Answer» Cell wall or plasma membrane
It is the cell wall that permits fungi, plant cells to withstand very dilute media without bursting. These cells when kept in a dilute medium take water due to osmosis, become swollen and exert pressure on the cell wall. Cell wall enables them to withstand this pressure as, it exert an equal pressure on cell, thus prevent bursting.
5971.

What is fusion and malting?

Answer» Fusion: The phenomenon of change of solid into liquid is termed as fusion. For instance, melting of ice. Example: Conversion of solid (ice) to liquid (water) .Malting : Malt is germinated cereal grains that have been dried in a process known as "malting". The grains are made to germinate by soaking in water and are then halted from germinating further by drying with hot air.
5972.

जीवन के लिए वायुमंडल क्यों आवश्यक है?

Answer» सांस लेने के लिए उसके बिना जीवन असंभव है
5973.

What is generic alternation

Answer» In plants, there are two systems of reproduction. Each is called one generation. There is a rotation between these generations. So, one complete life cycle of a plant includes two generations that alternate with each other. Hence the whole mechanism is called alternation of generations.The two generations or life cycles that occur are called the sporophyte generation and the gametophyte generation. When you speak in genetic terms, it is the rotation in between the haploid and diploid stages. This refers to the chromosomes within the plant cells.
5974.

Explain discharge tube experiment?

Answer»
5975.

name the methods of suspension

Answer» It is a hetrogenous mixture It shows tyndall effectSize of its particle is 1000 nm
It is non homogeneous mixture which spread solid to liquid
5976.

An object travels 16m. In 4s. And then another 16m.in 2s. What is the average speed of the object

Answer» Total distance= 16 + 16 = 32mTotal time = 4 + 2 = 6sNow average speed = total distance/ total time = 32/6= 5.33 m/s
5977.

What is cardiology

Answer» The term cardiology is derived from the Greek words “cardia,” which refers to the heart and “logy” meaning “study of.”\xa0Cardiology is a branch of medicine dealing with disorders of the heart as well as parts of the circulatory system.\xa0
5978.

Drawbacks of Rutherford

Answer» could not explain stabality of atom
It said that electron which is present in shell after some times it meet with the nucleus
It does not said the distribution of electron into orbit
5979.

Difference between turtle and tourtise

Answer» And I don\'t know the answer
5980.

What is the use of solid carbon dioxide

Answer» It is used as a fire extinguisher and as to create snow on the stage during a program
One of the use is:- It is used in clouds to create low pressure area which causes rainfall.
5981.

Why sparrows are not walking?

Answer» Because they are avies and avies have wing which help them to fly
5982.

derive acceleration due to gravity

Answer» f is directly proportional to 1/d^2.......1F is directly proportional to Mm... ..2From 1and 2F is directly proportional to Mm/d^2Directly proportional change =gEarth mass 6*10power24. (M) Earth radius 6.4*10power6. (d^2)G=6.673*10power-11g=GMm/d^2g=6.7*10power-11*6*10power24/(6.4*10power6)^2g=9.8
As per Newton\'s law, Force = mass × acceleration = m×a .....................(1)where m is mass and a is accelerationGravitational force acting on a mass m on earth\'s surface = G (m×M)/R2 = m × GM/R2 ..........................(2)where G is Gravitational force constant, M is mass of earth and R is radius of earthBy comparing (1) and (2), acceleration due to gravity = a = (G×M)/R2
5983.

Which is the largest cell organelle?

Answer» cytoplasm
Nucleus
A nucleus is often the largest organelle in a plant cell. It is enclosed by a double membrane called the nuclear envelope.A phospholipid layer that covers a cell\'s surface and acts as a barrier between the inside of a cell and the cell\'s environment.
Nucleus
5984.

What is zero correction ( practically)

Answer»
5985.

Why sound increase and decrease when temperature increase and decrease..........??? ?

Answer» We know that on heating kinetic energy of particles in air increases and on cooling kinetic energy of particle decreases so that is temprature is also responsible for increase and decrease of sound wave
Because when temperature increase particles of air charged more than before and decrease in low temperature
5986.

Define potential energy what are the different type of potential energy

Answer» The energy of a body due to its motion is called a potential energy
Potential energy refers to the energy possessed by an object which is not in motion. Different types of potential energy are:1.Elastic potential energy 2.Gravitational potential energy
5987.

FUNCTION OF SCLERNCHYMA

Answer» It provide strength , rigidity and support to the plants
Functions of Sclerenchyma are as follows:1. It provides mechanical and protection support to the plants. 2.It gives strength, rigidity, flexibility and elasticity to the plant body. 3.It enables the plant to withstand various strains.
5988.

Differentiate between haploib and diploid cells

Answer»
5989.

What is homendature and how is it utilised??

Answer» Did you mean nomenclature?
5990.

What are different types of animalia

Answer» 1.REPTILIA2.AVES3.AMPHIBIA4.MAMMALIA5.PISCES
5991.

Very important questions for final exam

Answer» The Propagation of sound. Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). During their propagation, waves can be reflected, refracted, or attentuated by the medium.
5992.

Lesson 12

Answer»
5993.

What is generic alternation? How is it useful in the activities used in agriculture? ☺?

Answer»
5994.

How can we remember all function of animalia kingdom

Answer» Bro there is no trick to remember all function of animalia. You have to read carefully and understanding function of animalia in hindi. Read carefully many time.
5995.

If newton\'s 3rd law of motion is written in the form F21:F12 ; what is the mistake ?

Answer» add a minus sign in F12.....
5996.

What is the SI unit of electrical energy??

Answer» joule
Sorry it\'s right answer is joule . I took it wrong
KWH
Joule
Watt
I don\'t know
5997.

What is archaebacteria and eubacteria

Answer» Carl woese further divided Kingdom Monera and protista into archaebacteria and eubacteria.
5998.

what is sound intensity

Answer» The amount of sound energy passing each second through unit area is called intensity of sound.
Intensity : The amount of sound energy passing each second through unit area is called the Intensity of Sound. The SI unit of sound intensity is watt per square meter (W/m2). The standard text is the measurement of sound intensity of the noise in the air at the location of the listener as a sound energy quantity.
5999.

sound intensity

Answer»
6000.

What is the difference between insity of sound and loudness of sound

Answer» Intensity: The sound intensity (acoustic intensity) is defined as the sound power per unit area. The S.I. unit of intensity: Watt /m2Loudness: The loudness of sound is defined as the degree of sensation of sound produced in the ear. Loudness is actually the perception of sound by the listener.