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Action and reaction in polling forces
Secure two spring balances. Make a loop in every end of a short piece of strong cord. Join a spring balance to each end and have two pupils pull in opposite directions. Make a reading on every balance and compare them
a projectile is fired horizontally from an inclined plane (of inclination 45 with horizontal)with speed=50 m/s.if g=10 m/s2 the range measured along the incline is
Q. What are de Broglie waves? Matter in motion should be accompanied by waves called de Broglie waves. de Broglie wavelength λ = h / mv
sodium metal with a body centred cubic structure has two atoms per unit cell. the radius of sodium atom is 1.85 å. calculate its electrical resistivity at 0 oc, if the classical va
#questiImagine a small observer is positioned in front of the cork in your picture above. As the cork approaches, the observer measures the wavelength of the waves passing by. How
INSTANTANEOUS ACCELERATION: The acceleration of the body at any certain instant during its motion is called to be an instantaneous acceleration.
1) Consider 2kg mixture of H 2 and N 2 ideal gases inside a closed piston-cylinder device at 150kPa and 100o C. This mixture has 0.4 mole fraction of H 2 . This mixture undergoes
Define the working of Optical-Fiber Infrasound Sensors. Optical-Fiber Infrasound Sensors: An OFIS comprises a sealed hose and a fiber-optic Mach-Zehnder interferometer
A beam of light of wavelength λ = 5000Å falling normally on a plane diffraction grating. The 1 st order spectrum is derived in a direction making an angle θ 1 with the norma
The wedge Make a wedge from a piece of wood and drive it inside a table leg or some other heavy object. View that the wedge is a double inclined plane
A 25 N box is pulled vertically upward by means of a cord.Find the acceleration of the box if the tension in the cord is 35 N.
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