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A see-saw lever
Get a thick plank about 3 m long and bring it into the class room. Balance it over a box or some other suitable device and let the pupils experiment with the seesaw; place dissimilar numbers of children on either side of the balance point.
working model
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wave-fronts in front of the source com
What is phyiscs Physics is a science. Science works according to the scientific method. The scientific method accepts only reason, logic, and experimental evidence to tell amon
Fermat's principle; principle of least time (P. de Fermat): The principle put by P. de Fermat, which states the path taken through a ray of light among any two points into a s
A string of cross section 2cm2 is doubled in length by the application of a longitudinal force 2*10 5 dynes. The youngs modulus is
Illustrate how plane polarized light obtained by refraction. Illustrate double refraction ( birefringence) of light. define Young's double slit experiment and give the required the
In the following experiment, a constant-pressure calorimeter containing 100 ml of H 2 O is used. The initial temperature of the calorimeter is 24.6 o C. If 18.6 g of CaCl 2 is a
what are the application of dimensions?
describe the principle, construction and working of Michelson Interferometer.
l question.. a particle rest on the top of a hemi spher radius R find the smallest horizondal velocity that must imparted to the particle if it''s to leave the hemi
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