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6751.

What is motion and rest ?

Answer» Rest: A body is said to be at rest if it does not change its position with respect to its immediate surroundingsand with respect to time.Example: The chairs of the dining table are at rest unless and until they are moved, and the flower vase, table, and the blackboard in the class room are all at the position of rest.Motion: A body is said to be in motion if it changes its position with respect to its immediate surroundings and with respect to time.Example: The blades of a rotating fan, the hands of a working wall clock, a moving car, a spinning top and satellites are all in motion. Rest and motion are relative terms, A body seems to be at rest with respect to one object, but may appear to be in motion with respect to some other object.\xa0
6752.

How is kinatic energy related to the space between the particles of matter?

Answer»
6753.

Please give answer of my question

Answer» Tell
6754.

Which colour of potassium dichromate

Answer» Potassium dichromate solution is orange yellow colour.
6755.

What are phanerogams

Answer» Phanerogams or spermatophyta are the most advanced type of plants bearing seeds. They have roots, stems, leaves and flowers. They include gymnosperms and angiosperms. E.g. mango, rose, pine, banyan etc.
6756.

What is impulse of free?

Answer» A sudden wish or urge that prompts an unpremeditated act or feeling
6757.

Known as black gold

Answer» Petrolium is known as black gold
6758.

What is crop production

Answer» Crop production is a type of agriculture in which crops are grown for use as food and fibre.
6759.

Fire / flames is in which state of matter?

Answer» Plasma state
6760.

how can we say that the nature of matter is particulate

Answer» Matter is defined as that which has mass and occupies space. It is indeed made of particles.Space is that which is occupied by matter. So, any definition of space exists only if there is matter.All matter is particulate in nature. This means there are spaces which has no matter between the bits of matter. This is called the \x93atomic nature of matter."
6761.

Why boat have stremed shape

Answer» to reduce drag on boat
To reduse the force & friction of water
6762.

How will u peove that air is a matter

Answer» kyunki ye hme feel hoti h rishita
6763.

What is air pressure ? State the units to measure pressure

Answer» Force applied per unit area is called pressure.unit to measure pressure is force/area where force is newton and area is sqare meter .S.I unit is pascal or pa
6764.

Why windows become foggy on a cold day

Answer» During cold days at night atmosphere become very cold and it makes glass window very chilled which attracted water vapour and make it foggy or blur
6765.

what is microscope??????

Answer» A microscope is a device through which we can see the things that cannot be seen with naked eyes
6766.

Speed equal to

Answer» Speed = distance ÷ time (distance/time)
Distance×time
Distance_________Time
6767.

What is the difference between physics,chemistry and bio?

Answer» Physics - like math but embedded with scientific concepts to explain phenomena like for instance why does a pen drop when you don\'t grip it or why does it feel more tiring to climb upstairs than downstairs.. Gravity acts downwards, we are going against gravity so higher chemical potential energy is required.Biology - study of plants and humans, animals, living organisms. Mechanisms that allow survival eg homeostasis , photosynthesis. Systems Eg immune, cardiovascular, endocrine, nervousChemistry - reactions when different chemicals are mixed. Atomic structure, chemical bonding, acids and bases, qualititaive analysis, oxides, salt, organic chemistry, separation techniques, Stoichiometry and mole concept, periodic table of elements, kinetic particle theory, redox reactions, chemical kinetics, etc
6768.

why sound travel in wavesform

Answer» I dont know.....
6769.

Propertise of liqid

Answer» Properties of liquids(i) Liquids do not have definite shape and distinct boundaries.(ii) Liquids have fixed volume.(iii) They can be compressed.(iv) They take up the shape of the container (they can change its shape).(v) They are fluid and thus can flow like water.(vi) Their intermolecular force of attraction is less than solids.(vii)The kinetic energy of its particles is more than solids.
6770.

Why does our palm feel cold when we perfume on it?

Answer» Acetone, petrol or perfume has very low boiling temperature. when we put some acetone on our palm the particles of it gain energy from our palm and evaporate quickly which causes cooling .
6771.

Explian " evaporation causes cooling".

Answer» Evaporation causes cooling because during evaporation the particle of the liquid absorb energy from the surroundings to regain the energy lost during evaporation. the absorption of heat from the surrounding makes the surrounding cool.Example : When we\xa0spray a deo on our hand.
6772.

The smell of hot sizzling food reqches you several metres away

Answer» Particles of matter are continuously moving. They possess the kinetic energy. As the temperature rises, particles move faster. Thus, particles that carry smell of hot sizzling food move faster than the smell of the cold food. Therefore, the smell of hot sizzling food can reach us several metres away, but to get smell from a cold food you have to go close.
Beacuse the particles of food hit each other faster in hot food and kinetic enegy is increased That is why smell of hot sizzling food reaches us more faster
6773.

What is reflection

Answer» When light bounces back by the object is called reflection
When a ray of light approaches a smooth polished surface and the light ray bounces back, it is called the reflection of light. The incident light ray which lands upon the surface is said to be reflected off the surface. The ray that bounces back is called the reflected ray. If a perpendicular were to be drawn on reflecting surface, it would be called the normal.
6774.

Diagrammatically show the difference Between three types of muscles cells.

Answer» The three types of muscle fibres are:- Striated muscles, smooth muscles and cardiac muscles.
6775.

Why we feel comfortable while sitting under the fan

Answer» Because there is we need air conditions from fans that is simple
6776.

What you have learnt point

Answer»
6777.

Give reason why three states of matter arised

Answer» There are five states of matter not only three
What you have learnt point
6778.

Why lysosome called sucidal bag of cell

Answer» Lysosomes are cellular organelles that contain digestive enzymes that break down waste materials, foreign material and cellular debris. Lysosomes are capable of digesting nucleic acid, polysaccharides, fats, and proteins. Along with them lysosomes also digest or damage its own cells by its own enzymes, which lead to cell death. This process is called as autolysis. Hence lysosomes are also called as suicide bags
Because when any other substance comes inside the cell it blasts itself
6779.

Calculate the molar mass of the following substances

Answer»
6780.

what is mean by displacement and velocity

Answer» Velocity is defined as the rate of change of displacement.\tIt is a vector quantity, both magnitude and direction are required to define it.\tIt\'s direction is same as that of displacement.\tSI unit of velocity is m/sDisplacement is a vector quantity that refers to "how far out of place an object is"; it is the object\'s overall change in position.
6781.

What are the type of motion

Answer» Motion of an object depends on the type of force acting on the body. Examples of different kinds of motion are given below.\tTranslational\xa0– It is the type, where an object moves along a path in any of the three dimensions.\tRotational\xa0– It is the type, where an object moves along a circular path about a fixed axis.\tLinear\xa0– It is a type of translational motion where the body moves in a single direction along a single dimension.\tPeriodic\xa0– It is the type of motion that repeats itself after certain intervals of time\tSimple Harmonic\xa0– It is the type of motion like that of a simple pendulum where a restoring force acts in the direction opposite to the direction of motion of the object. This restoring force is proportional to the displacement of the object from mean position.\tProjectile – It is the type of motion which has a horizontal displacement as well as vertical displacement.\tOscillatory\xa0– It is the type of motion which is repetitive in nature within a time frame. If it is mechanical in nature it is called vibration.
Liner Motion, Rotatory Motion, Oscillating Motion, Irregular Motion, Simple Harmonic Motion etc.
6782.

Activity to study the compound microscoe and its function

Answer» It must be Optics but it is not clear that what you want to ask so make the question clear first.
6783.

Give an example of notochord each . Parasitic platyhelminthes

Answer» Examples of parasitic flatworms are flukes and tapeworms
6784.

When the distance traveled by an object is equal to the magnitude of displacement?

Answer» When an object travelling in a straight path and without changing its direction
An object traveling in a straight line
6785.

what are physical nature of matter

Answer» Basic
6786.

Is almonds a matter

Answer» Always yes
Yes
6787.

Find the ratio of gravitational forces between two bodies whenMass of 1body become double

Answer»
6788.

What is mean by biology

Answer» Study of organisms and kingdoms of animals , plants and other microorganisms.
Study of plants and human body is called biology
6789.

State two properties of true solution

Answer» True solutions are homogenous solutions containing a mixture of two or more substances dissolved in a solvent.\xa0A true solution (simply a solution) shows the following property.(i) A true solution (or simply a solution) is a homogeneous mixture. That is in a true solution, the solute and solvent molecules cannot distinguish even under microscope. The composition and properties of a true solution are the same throughout.(ii) In a true solution, the solute particles are very small, of the order of about 10\xa0-10\xa0m.(iii) A true solution is clear and transparent.(iv) A true solution does not scatter light.(v) The components of a true solution (the solute and the solvent), cannot be separated by filtration. This is because both solute particles and the solvent molecules are very small as compared to the pores in the filter paper.(vi) The solute particles in a true solution do not settle down.
A true solution is a homogeneous mixture with uniform properties throughout. In a true solution the solute cannot be isolated from the solution by filtration.
6790.

Class10

Answer»
6791.

A car falls off a ledge and drops to the ground in 0.5 sec what is its speed and height if g=10

Answer»
6792.

What is the difference between unicellular and multicellular

Answer» Unicellular-the thing/body which contains only one cell is know as Unicellular. For example - egg is the Unicellular. Multicellular-the thing /body which contains a number of cells is know as multicellular. For example - human body contains a millions of cell.
6793.

Why do solids not possess fluidity

Answer» \tSolid do not possess fluidity.\tThis is because the intermolecular molecules are very tightly packed.\tThe molecules of solids are so tightly packed and have no spaces between them.\tThis makes solid to be strong and do not allow it to flow.\xa0
6794.

Evaporation is called a surface phenomenon. Why?... ??

Answer»
6795.

What is motion guys

Answer» Thank u all??
An object is said to be a motion when it changes it pisition which respect to stationary obhect with passage of time is known as motion
When object moves from one place to another . It is called motion .
When an object changes its position with time it is called to be motion
6796.

Write four difference between speed and velocity

Answer» \tVelocitySpeedVelocity can be defined as the rate at which an object changes position in a certain direction.The rate at which an object covers a certain distance is known as speed.Vector quantityScalar quantityVelocity can be zero, negative, or positive.Speed can never be negative or zero.The velocity of the object changes with the change in direction, therefore the object must follow one direction.The average speed will continue to count even if the object change direction.Velocity can decrease with time. For a moving object, it can be 0.Speed never decreases with time. For a moving object, it is never 0.An object may possess different velocities but the same speed.Speed may or may not be equal to velocity.\t
6797.

What is the another name of cell division

Answer» Mitosis
6798.

Enlist any 3 functions of Golgi apparatus.

Answer» Functions\xa0of Golgi apparatus -\t\tIts functions include the storage, modification and packaging of products in vesicles. In some cases, complex sugars may be made from simple sugars in the Golgi apparatus. The Golgi apparatus is also involved in the formation of lysosomes, cell wall and plasma membrane.\t\t
6799.

Can u please explain atoms andmolecules

Answer» Atom is the smallest unit on matter. And molecules are made up of different kind of elements.elements are made up of same kind of atoms
6800.

What is primitive microscope

Answer»