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Q. What are de Broglie waves?
Matter in motion should be accompanied by waves called de Broglie waves.
de Broglie wavelength λ = h / mv
how much energy is required to raise an object of 300g that is initially at rest to a height of 2m and simultaneuosly give the object a velocity if 4m/s?
describe the principle, construction and working of Michelson Interferometer.
Infra-Red (IR) Detectors: An IR detector has an impedance of Z= (400+j200) ? . During design tests the detector current is measured as 4 µA. What is the output v
why we use compensater??
difference b/w concave grating and rownald mounting
Show any two applications of beats. What are "Echelon effects" and "Focusing"?
A skydiver falls d1 = 495 meters in t1 = 22 s before opening his parachute. After the chute opens, he falls an additional d2 = 470 meters in t2 = 56.5 s. (a) Write an expression t
type of mirror used
(1) These rays transmitted in the forward direction of medium with a finite speed. (2) Energy and momentum are transmitted in the direction of propagation of waves without real
The value of G, the universal gravitational constant, was measured experimentally by: a) Newton b) Cavendish c) Copernicus d) Kepler Ans: The value of th
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