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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
Working of terrestrial telescope
production and analysis of diffrent polarised light
The opposition offered to the circular motion of bodies like sphere, disc, ring, cylinder etc. on another surface is known as rolling friction.
Q. Explain with the help of diagram and experiment arrangement to produce Newton's rings.
why is nichrome wire used in electric heaters? properties of nichrome wire.
Unit of Capacity: The unit of capacity of a capacitor is known as farad (f). It is given by a relation. q = cv.
Why is extended source use in Newtown ''s ring experiment?
Why nuclear fission preceeds nuclear fusion?
alkaline battery
Q. What is a fuse wire? i) Fuse wire is an alloy of lead 37% as well as tin 63%. It is linked in series in an electric circuit. ii) It has high resistance as well as low mel
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