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Who first theoretically predicted the existence of the positron, a positively charged electron? He received the Nobel Prize in Physics in 1933.
Ans:
(Paul Adrien Maurice) Dirac was first theoretically predicted the positron existence, a positively charged electron. And he received the Nobel Prize in 1933 in Physics.
Describe the magnetic moment of a bar magnet. What is its direction? Can you find two magnetic field lines intersecting? Why?
a person holds of hay over his head for 30 min and gets tired . has he done some wirk or not? justify your answer
mass=volume * density.By using this formula we can find the mass of sphere. Volume of sphere=(4/3)pi*r^3 V=(4/3)*3.14*(1*10^-2)^3=4.187*10^-6 Mass=(4.187*10^-6)*900=3768*10^-6kg
Q. Define Tangent law? A magnetic needle suspended at a point wherever there are two crossed fields at right angles to each other will come to rest in the direction of the res
Bragg's law (Sir W.L. Bragg; 1912) While a beam of x-rays strikes at crystal surface wherein the layers of atoms or ions are separated regularly, the maximum intensity of the
in need of projects on '' PHYSICS OF THE BRAIN''. Thanks
Ferromagnetic Substance: A substance which behaves as a magnet in presence of a strong magnetic field is known as ferromagnetic substance. E.g. Iron, Nickel
A compound microscope with an objective of 1.0 cm focal length and an eye-piece of 2.0 cm focal length has a tube length of 20 cm. Measure the magnifying power of the microscope, i
A 150-kg roller-coaster car climbs to the top of a 91-m-high hill. How much work is completed against gravity as the car is lifted to the top of the hill?
Ques: In putting Kirchoff's voltage law one draws a schematic diagram of the circuit and then indicates the current in each leg (a.k.a. branch) of the circuit. For every leg of
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