Home
Class 12
PHYSICS
An alpha particle is projected verticall...

An alpha particle is projected vertically upward a speed of `3.0 xx 10^4 km s^(-1)` in a region where a magnetic field of magnitude 1.0 T exists in the direction south to north. Find the magnetic force that acts on the a particle.

Text Solution

Verified by Experts

`q = 2xx 1.6 xx 10^(-19) C `,
` v = 3 xx (10 ^4) km/s = 3 xx (10^7) m/s b` ,
` B = I T , F = qBv ` ,
` = 2 xx 1.6 xx 10 ^(-19) xx 10 ^7 xx 1 ` ,
` 9.6 xx 10^(-12) m/s ` .
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MAGNETIC FIELD

    HC VERMA|Exercise Objective 2|10 Videos

  • LIGHT WAVES

    HC VERMA|Exercise Exercises|41 Videos

  • MAGNETIC FIELD DUE TO CURRENT

    HC VERMA|Exercise Exercises|61 Videos

Similar Questions

Explore conceptually related problems

One charged particle with +2e charge is projected from west to east with a speed of 2 xx 10^(6) m/s. A magnetic field of 2 T exists in the direction south to north. Find the magnetic force acting on the charged particle. In which direction the particle is going to get deviated? Neglect gravity and other forces.

A long vertical wire carrying a current of 10A in the upward direction is placed in a region where a horizontal magnetic field of magnitude( 2.0 xx 10^-3) T exists from south to north. Find the point where the resultant magnetic field is zero.

Knowledge Check

  • An alpha particel is projected with a velocity of 10^(7) m/s, in a unifform magnetic fiedl on inductin, 1.2xx10^(-6)Wb//m^(2), in a direction perpendicular to the field. If the lateral force acting on the particle is 3.84xx10^(-18)N, what is the charge onn the a particle ?

    A
    `1.6xx10^(-19)C`
    B
    `2.4xx10^(-19)C`
    C
    `3.2xx10^(-9) C`
    D
    `4xx10^(-19)C`

    • Similar Questions

    Explore conceptually related problems

    An alpha particles is projected with a velocity of 10^(7) m/s, in a uniform magnetic field of induction, 1.2xx10^(-6)Wb//m^(2), in a direction perpendicular to the field. If the lateral force action on the particle is 3.84xx10^(-18)N, what is the change on the a particle ?

    A semicircular wire of radius 5.0 cm carries a current of 5.0 A. A magnetic field B of magnitude 0.50 T exists along the perpendicular to the plane of the wire. Find the magnitude of the magnetic force acting on the wire.

    A long, vertical wire carrying a current of 10A in the upward direction is placed in a region where a horizontal magnetic field of magnitude 2.0xx10^-3T exist from south to north. Find the point where the resultant magnetic field is zero.

    A particle having a charge of 5.0 mu C and a mass of 5.0x 10^(-12)kg is projected with a speed of 1.0km s^(-1) in a magnetic field of a magnetic field of magnitude 5.0 m T. The angle between the magnetic field and the velocity is sin^(-1)(0.90) . show that the path of the particle will be a helix. Find the diameter of the helix and its pitch.

    An alpha particle is moving with a velocity of (7 xx 10^(5) hat i m//s) in a magnetic field of (5 hat i + 9 hat j ) . T . Find the magnetic force acting on the particle.

    A proton is projected with a speed of 3X10^6 ms ^(-1) horizontally from est to west. A uniform magnetic field vec B of strength 2.0X10^(-3) T exists in the vertically upward direction(a) find the force on the proton just after it is projected. (b) what is the acceleration produced?

    A neutron and a proton both are fired with some speed of 3 xx 10^(6) m/s perpendicular to a uniform magnetic field of 1 T. What will be the individual acceleration of particles! Consider that only magnetic force is acting on the particles.

    Home
    Profile