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Knowledge in Class 9 IX Mathematics NCERT TEXTBOOK and SOLUTIONS
Biology sample paper -1 part -1 class 11th cbse
Biology class 11th sample paper about living world , biological classification , plant kingdom, animal kingdom , structural organisations in animals , cell , biomolecules , cell cycle and cell division , transport in plants , mineral nutrition , respiration in plants , plant growth and development , digestion and absorption , breathing and exchange of gases etc Biology sample paper -1 part -1 class 11th cbse
Akansha pandey
Biology sample paper -1 part -1 class 11th cbse
Biology class 11th sample paper about living world , biological classification , plant kingdom, animal kingdom , structural organisations in animals , cell , biomolecules , cell cycle and cell division , transport in plants , mineral nutrition , respiration in plants , plant growth and development , digestion and absorption , breathing and exchange of gases etc Biology sample paper -1 part -1 class 11th cbse
Text Book by t.l.signal
Textbook publication by T.L signal
Sumit Patil
MOTION IN A PLANE
What is motion in a plane? Motion in a plane means motion in a two-dimensional plane which includes x-axis and y-axis.
Sidharth Vinod
Laws of Motion
Newton's laws of motion relate an object's motion to the forces acting on it. In the first law, an object will not change its motion unless a force acts on it. In the second law, the force on an object is equal to its mass times its acceleration.
Work Energy and Power
Work is done when a force produces motion. And for doing work energy is required. This energy we get from the food which we eat and if work is done by machine, then energy is supplied by fuels or by electricity.
SYSTEMS OF POWER AND ROTATIONAL MOTION
Power for rotational motion is equally as important as power in linear motion and can be derived in a similar way as in linear motion when the force is a constant. The linear power when the force is a constant is P = âFâ âv. If the net torque is constant over the angular displacement
GRAVITATION
1. movement, or a tendency to move, towards a centre of gravity, as in the falling of bodies to the earth. 2. movement towards or attraction to something.
ELECTRIC CHARGES AND FIELDS
The electric field is an alteration of space caused by the presence of an electric charge. The electric field mediates the electric force between a source charge and a test charge. The field is a vector; by definition, it points away from positive charges and toward negative charges.
ELECTROSTATIC POTENTIAL AND CAPACITANCE
Electric potential and capacitance stem from the concept of charge. ... Materials with charge also exhibit electrical forces: opposite charges attract (e.g., positive and negative), and similar charges repel (e.g., positive and positive or negative and negative). The unit of measurement for the charge is a coulomb (C).
CURRENT ELECTRICITY
Electric current is the movement of electrons through a wire. Electric current is measured in amperes (amps) and refers to the number of charges that move through the wire per second. ... Voltage is sometimes called electric potential and is measured in volts.
MOVING CHARGES AND MAGNETISM
Motion of a charged particle in Magnetic Field A force on a particle does work if the force has a component along (or opposed to) the direction of motion of the particle. In the case of motion of a charge in a magnetic field, the magnetic force is perpendicular to the velocity of the particle.