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what is pressure and S.I unit ???
  • 1 answers

Ashish Kiran an hour ago

Thrust per unit area claaed pressure S.I. unit- pascal
What is law of conservation of mass? Explain with experiment
  • 2 answers

Ashish Kiran an hour ago

m1u1+m2u2=(m1+m2)v

Ashish Kiran an hour ago

Sum of force before collision =sum of force after collision
Hw can we find valency
  • 1 answers

Jiya Kumari 4 hours ago

The no. Of electrons present in outermost shell is close to its full capacity then the valency is equal 8 subtract the no. Of electrons in the outermost shell For example - Element. Atomic mass. Valency K L M N Sulphur. 16. 2 8 6 Valence is 6 But valency is ( 8 - 6 )=2 Hydrogen 1 1 Therefore its valency is 1 I hope my answer easily understand and satisfied you.
A child winds his toy car by moving its ket of engergy used up in this process
  • 1 answers

Rajkumar Okte 3 hours ago

While the child rotating the key he full up potential energy and when the car moves forward it convert potential energy to kinitic energy and hence said work is done
Define paranchyma
  • 1 answers

Harsh Dagar 5 hours ago

Actually it does not have any definition If asked,so it is a complex permanent plant tissue
Why wedding is necessary?
  • 2 answers

Rajkumar Okte 3 hours ago

It depend on you and your future

Pankhunee Dubey 5 hours ago

For indian culture
Name an indigenous and an exotic breed of poultry
  • 1 answers

Zayed Salmani 5 hours ago

Exotic is Jersey Indigeneous is sahival
What are the elements and atoms
  • 1 answers

Akash Deep 5 hours ago

Atoms are indivisible particles which are at microscopic can't be sewn by naked eyes.... In case of element forms from a pure substance
Factorise a8_b8
  • 0 answers
Write the uses of Co-60 and U-235 .Also give the name of the element from which these isotopes belong
  • 1 answers

Harsh Dagar 5 hours ago

Co60 -isotope of cobalt manufactured in industries use for treatment of cancer U235-isotope of uranium used in generating electricity
What is sonic boom??
  • 3 answers
A loud expolsive sound caused by the sock waves

Akanksha Kumari 6 hours ago

Sorry which is travelling faster than the speed of sound.🙂

Akanksha Kumari 6 hours ago

Sonic boom refers to the explosive noise caused by the shock waves from an aircraft or any other body while is travelling faster than the speed of sound.
Explain in brief the universal law of gravitation and its importance
  • 1 answers
The most important part these is not only that object pull it each other but that two object attarct each other with a force that is propotional to the product of there masses and inversaly propotional to the square of the distance between them this is known as universal law of gravitaton and it importance
Why are antibiotics not effective for viral diseases?
  • 2 answers

Anita Mahala 6 hours ago

Antibiotics is a biochemical compound effective against bacteria because they block the bacterial process of building cell wall that provide protection to the bacteria and hence it dies. But in the case of viral infection, it is caused due to virus. In the case of virus antibodies donot work because virus have few chemical pathway of their own. Indead when they enter our cell they use our machineris for their life process.

Akanksha Kumari 6 hours ago

Antibiotics are not effective for viral diseases because they don't kill viruses as the working and machinery of bacteria and viruses are different. Bacteria are generally simpler than the viruses.
Can anyone explain me the Archimedes principle and buoyancy??🤔
  • 2 answers

Anita Mahala 6 hours ago

If an object is fully or partially imerged in any fluid it experience an upward force which is exactly equal to the weight of the fluid displeased by it. An upward force exerted by the fluid on the object is called upthrust or buoyant force.
Principle state that the buoyant force acting on an object immeresed in on floting on a fluid is equal to the weight of the fluid displaced by the object....... Fluid such as water or air pressure on all direction ...... Upward buoynt force which immered fully or partically is equal to tje weight of the fluid that the body displaced and act in the upward direction at the centre of the mass of the displaced fluid ........ May This Answer Will Help You Thankyou😊😊
What are alpha rays?
  • 2 answers

Sufin Rafi Rafi 6 hours ago

Alpha rays are 4u because it is double charged helium ions. 4u means unified mass

Akanksha Kumari 7 hours ago

Alpha rays are basically positively charged rays containing 2 protons and 2 neutrons and is identical to the nucleus of helium atomm
All practicals
  • 0 answers
What is sound and how it is produce
  • 3 answers

Sufin Rafi Rafi 6 hours ago

Sounds are hear from vibrating bodies of any ☺☺☺

Priya Gaur 7 hours ago

Sound is a form of energy and it produces sensation of hearing in our ears and is produced by vibrating bodies 😃😃

Akanksha Kumari 7 hours ago

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.
What are cisterns
  • 1 answers

Atharv Naik 5 hours ago

Membrane bound tubules approximately parallel to each other in golgi appartus.
Application of sonar
  • 3 answers

Utkarsh Rathore 8 hours ago

Sonar is device which is to measure the depth of the sea and locate underwater things

Akanksha Kumari 8 hours ago

SONAR stands for sound navigation and ranging. It is used to find the depth of sea and locate underwater objects .

Bhavya Mishra 8 hours ago

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..
What is gravitarion
  • 3 answers
But in realty amd in quantum physics gravity is a curve in the space time fabric
The attraction froce b/w two object

Tanu Meena 8 hours ago

Gravitation is the force through which newton concluded that all the things in this universe attract each other
Which cell has irregular shape
  • 4 answers

Sufin Rafi Rafi 6 hours ago

Amoeba is a single-celled organism

Bhavya Mishra 8 hours ago

Amoeba have irregular shape to take food from anywhere...
Ameaba

Khushi Boora 9 hours ago

Animal cell
Give one importance of photoperiod in agriculture
  • 1 answers

Gurleen Saini 11 hours ago

Growth of the plants and flowering is dependent on the duration of photoperiod
Differnce between atom and moleclues
  • 4 answers
Atom is the smallest unit of element and molecule forms by co valent bonds

Swran Singh 9 hours ago

Atom is a smallest particle of matter
Atom- is smallest particle of an element Molecule- is smallest particle of an compound

Akanksha Kumari 11 hours ago

Atom - an atom is the smallest particle of an element that can tailor part in a chemical reaction Molecule - a molecule is a group to atoms that takes part in a chemical reaction.

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