Cyclotron

IMPORTANT

Cyclotron: Overview

This Topic covers sub-topics such as Cyclotron, Working of a Cyclotron, Limitations of Cyclotron, Applications of Cyclotron, Construction of a Cyclotron and, Maximum Kinetic Energy of a Charged Particle from Cyclotron

Important Questions on Cyclotron

MEDIUM
IMPORTANT

Consider a closed system of three charged particles with charges 3e,e and 7e respectively, where e is the electronic charge. Their corresponding masses are 6m,2m and 14m where m is the mass of electron. The particles may be moving in an arbitrary way. Then,

MEDIUM
IMPORTANT

How do you calculate the number of revolutions in a cyclotron ?

HARD
IMPORTANT

State the principle of a cyclotron. Show that the time period of revolution of particles in a cyclotron is independent of their speeds. Why is this property necessary for the operation of a cyclotron?

EASY
IMPORTANT

A charged particle is moving in a uniform magnetic field in a circular path. The energy of the particle is doubled. If the initial radius of the circular path was R, the radius of the new circular path after the energy is doubled will be :

EASY
IMPORTANT

A charged particle of charge Q and mass m moves with velocity v in a circular path due to transverse magnetic field B, then its frequency is;
 
 
 
 

EASY
IMPORTANT

A cyclotron's oscillator frequency is 10MHz. What should be the operating magnetic field for accelerating protons? (mass of the proton =1.67×10-27 kg )

HARD
IMPORTANT

A cyclotron's oscillator frequency is 10 MHz and the operating magnetic field is 0.66 T. If the radius of its dees is 60 cm, then the kinetic energy of the proton beam produced by the accelerator is

MEDIUM
IMPORTANT

A cyclotron is used to accelerate protons to a kinetic energy of 5 MeV. If the strength of magnetic field in the cyclotron is 2T, Magnitude of radius and the frequency needed for the applied alternating voltage of the cyclotron is
(Given: Velocity of proton =3×107 m/s).

MEDIUM
IMPORTANT

A cyclotron is operating at a frequency of 12 MHz. Mass and charge of deuteron are 3.3×10-27 kg and 1.6×10-19 C. To accelerate deutron, the necessary magnetic field is

MEDIUM
IMPORTANT

A cyclotron is operating at a frequency of 12 MHz. Mass and charge of deuteron are 3.3×10-27 kg and 1.6×10-19 C. To accelerate deuteron, the necessary magnetic field is

MEDIUM
IMPORTANT

A proton of energy 100 eV is moving in circular path in perpendicular magnetic field of 10-4 T. The cyclotron frequency of the proton in radians  will be

MEDIUM
IMPORTANT

A cyclotron is accelerating deuterons having mass 2×1.6×10-27 kg, charge +e and B=2 T. The maximum radius of the Dees required, if deuteron is to acquire 100 MeV of energy, is

EASY
IMPORTANT

Cotyledons are also called-

EASY
IMPORTANT

A proton is accelerating on a cyclotron having oscillating frequency of 11 MHz in external magnetic field of 1 T. If the radius of its dees is 55 cm, then its kinetic energy (in MeV) is ( mp=1.67×10-27 kg, e=1.6× 10-19 C )

EASY
IMPORTANT

An electron is moving in a cyclotron at a speed of 3.2×107 m s-1 in a magnetic field  5×10-4 T perpendicular to it. The frequency of this electron is:q=1.6×10-19 C, me=9.1×10-31 kg

EASY
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The operating magnetic field for accelerating protons in a cyclotron oscillator having frequency of 12 MHz is:q=1.6×10-19 C, mp=1.67×10-27kg and 1 MeV=1.6×10-13J 

EASY
IMPORTANT

Which of the following is not correct about cyclotron?

EASY
IMPORTANT

The energy of emergent protons in MeV from a cyclotron having radius of its dees 1.8 m  and applied magnetic field 0.7 T is: (mass of proton = 1.67×10-27 kg )

EASY
IMPORTANT

A charged particle is moving in a cyclotron. What is the effect on the radius of path of this charged particle when the radio frequency field of cyclotron is doubled?

MEDIUM
IMPORTANT

The cyclotron frequency νc is given by: