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Davisson and Germer scattered electrons from a crystal of nickel.
The scattered electrons formed a strong diffraction pattern.
What significant conclusion was drawn from this experiment?
Ans- Electrons acted like waves
Production of electricity : Very large amounts of electrical energy lie dormant in the atoms of every speck of material in the universe. Whilst the atoms remain electrically ba
What is the name of the first American physicist to win two Nobel prizes? Ans: (John) bardeen was the first American physicist who win two Nobel prizes.
Can you explain lens maker's formula. Derive the mathematical expression for the effective focal length of two thin lenses in contact.
In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the
What is a thin prism? Write the mathematical expression for deviation produced by a thin prism.
The number of electrons in one molecule of are: (1)22 (2)44 (3)66 (4)88 Ans: 22
Define Electric Circuits So far we have only looked at electric charges sitting still and static discharges (like a shock or lightning). When we count on the charges moving thr
prove that equatorial line of dipole acts as equipotential surface
what is dead time of GM tube?
Which of two, namely potentiometer and voltmeter is preferable to calculate the emf of a batter? Why? When is the series combination of cells advantageous and why?
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