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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
#questA ball of mass 1.5 kg rolling to the right with a speed of 3.6ms-1, collides head-on with a spring with a spring constant of 2.0Nm-2.Determine the maximum compression of the
the value of 10 radian is?
A cylindrical diving bell 2.00 min diameter and 5.00 m tall with an open bottom is submerged to a depth of 220 m in the ocean. The surface temperature is 25.0°C, and the temperatur
The impression of sound heard by our ears persist in our mind for 1/10th of a second. If another sound is heard before 1/10 second is over, the impression of the two sound mixes up
A bar has a 20N weight at one end. You have a weight of 15N to hang somewhere on the bar so that the bar is in equilibrium. Where would you hang the 15 N weight on each of these ba
Distinguish between absolute permeability and relative permeability of a medium Absolute Permeability: 1. Absolute permeability is the ability of the medium to allow th
One of the Maxwell's e-m equations involves the curl of the electric field. Write down the equation and mention the law of electromagnetism which is shown by the equation.
what is a coplanar force system?
Q. A screen is placed 90 cm from an object. The image of the object on the screen is formed by a convex lens at two different locations separated by 20cm. Determine the focal lengt
How is hardness of water sample estimated through EDTA titration? Discuss the mechanism of cationic polymerization
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