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Demonstrating how the angle of the sun's rays changes from day to day at the same hour
Cut a 1-cm round hole in a piece of paper or cardboard. Place this in a south window of your classroom where the sun's rays will shine by the hole and strike a piece of white paper on the floor, the table or window sill. Draw the outline of the spot where the beam of light strikes the paper. Write the date and hour inside the outline. Repeat this on succeeding days at exactly the similar hour
An electric motor is a device which converts electrical energy into mechanical energy. Principle of electric motor : An electric motor essentially consists of a rectangular co
Magnetic materials are divided in terms of their magnetic properties and their applications. If a material is effortlessly magnetized and demagnetized, then it is known to as a sof
When the two junctions of a thermo couple are maintained at dissimilar temperatures, then a light begins going through the loop called as thermo electric current.
An electric dipole is held in a uniform electric field. (1) Using suitable diagram, show that it does not undergo any translatory motion, and (2) derive an expression for the
Q. A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be 40°.What is t
How can light be classify in simplest form? Answer:- The common description of light (visible) is electromagnetic radiation visible to the human eye. It is only a little p
Tardon A particle that has a positive real mass & travels at a speed less than c within all inertial frames.
Explain about Atoms Atoms - having of a nucleus (central core) and orbiting electrons. Nucleus have protons (+ particles) and neutrons (neutral particles). Neutral atoms have
project of class12,,to demonstrate electrostatics shielding
What is the hardness of water? How is it expressed? Hardness is the property of water which stops lather formation with soap. This is because of the presence of certain salts o
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