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What is pair production and pair annihilation, Q. What is pair production a...

Q. What is pair production and pair annihilation? Pair production: The conversion of a photon in to an electron-positron pair on its interaction with the strong electric fie

how can your weight change?, How Can Your Weight Change? Your weight on...

How Can Your Weight Change? Your weight on Earth, or the force that pulls you toward the ground, is the pull of Earth’s gravity on you. If you want to calculate how many Newtons

Calculate the commutator-semiempirical formula, 1. A given radioactive samp...

1. A given radioactive sample emits only one type of radiation. When placed in a counter for 10 minutes, 1632 counts are registered. Then the sample is removed and a background

Ferromgntic substances, #question.An experminet to prove that a substance i...

#question.An experminet to prove that a substance is ferrmoanetic

Conducting materials, A copper wire whose diameter is 0.16 cm carries a ste...

A copper wire whose diameter is 0.16 cm carries a steady current of 10 A. What is the current density of the wire?Also calculate the drift velocity of the electrons in copper.

Evalaute the final temperature, Helium gas with a volume of 2.60 L, under a...

Helium gas with a volume of 2.60 L, under a pressure of 1.30atm and at a temperature of 41.0 degrees, is warmed until both pressure and volume are doubled. a)What is the final temp

Ionisation, Ionisation: If the amount of external energy is large enoug...

Ionisation: If the amount of external energy is large enough the valence electron can gain sufficient kinetic energy (energy of movement) to be removed completely from its atom

Lights wave, composition of two simple harmonic vibrations acting at right ...

composition of two simple harmonic vibrations acting at right angles

J.j. thomson''s method to verify specific charge of electron, It's working ...

It's working is based on the detail that if a beam of electron is subjected to the crossed electric field   and magnetic field , it experiences a force because of each field. In ca

Collision the loss of kinetic energy, A body of mass m1 , moving with veloc...

A body of mass m1 , moving with velocity u1 collides head  on with a body of mass m2 moving with a velocity u2 the two bodies stick together after the collision the loss of kinetic

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