Home
Class 12
PHYSICS
A charged particle with charge to mass r...

A charged particle with charge to mass ratio `((q)/(m)) = (10)^(3)/(19) Ckg^(-1)` enters a uniform magnetic field `vec(B) = 20 hat(i) + 30 hat(j) + 50 hat(k) T` at time t = 0 with velocity `vec(V) = (20 hat(i) + 50 hat(j) + 30 hat(k)) m//s`. Assume that magnetic field exists in large space.
The frequency (in Hz) of the revolution of the particle in cycles per second will be

A

`(10^(3))/(pisqrt19)`

B

`(10^(4))/(pisqrt38)`

C

`(10^(4))/(pisqrt19)`

D

`(10^(4))/(2pisqrt19)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD AND MAGNETIC FORCES

    CENGAGE PHYSICS|Exercise Subjective type|3 Videos

  • MAGNETIC FIELD AND MAGNETIC FORCES

    CENGAGE PHYSICS|Exercise Multiple Correct Answer type|2 Videos

  • MAGNETIC FIELD AND MAGNETIC FORCES

    CENGAGE PHYSICS|Exercise Multiple|3 Videos

  • KINETIC THEORY

    CENGAGE PHYSICS|Exercise Question Bank|31 Videos

  • Magnetism and Matter

    CENGAGE PHYSICS|Exercise Question Bank|50 Videos

Similar Questions

Explore conceptually related problems

A charged particle with charge to mass ratio ((q)/(m)) = (10)^(3)/(19) Ckg^(-1) enters a uniform magnetic field vec(B) = 20 hat(i) + 30 hat(j) + 50 hat(k) T at time t = 0 with velocity vec(V) = (20 hat(i) + 50 hat(j) + 30 hat(k)) m//s . Assume that magnetic field exists in large space. The pitch of the helical path of the motion of the particle will be

A charged particle with charge to mass ratio ((q)/(m)) = (10)^(3)/(19) Ckg^(-1) enters a uniform magnetic field vec(B) = 20 hat(i) + 30 hat(j) + 50 hat(k) T at time t = 0 with velocity vec(V) = (20 hat(i) + 50 hat(j) + 30 hat(k)) m//s . Assume that magnetic field exists in large space. During the further motion of the particle in the magnetic field, the angle between the magnetic field and velocity of the particle

If vec(F ) = (60 hat(i) + 15 hat(j) - 3 hat(k)) N and vec(V) = (2 hat(i) - 4 hat(j) + 5 hat(k)) m/s, then instantaneous power is:

A portion is fired from origin with velocity vec(v) = v_(0) hat(j)+ v_(0) hat(k) in a uniform magnetic field vec(B) = B_(0) hat(j) . In the subsequent motion of the proton

A charge particles q enters in a magnetic field vec(B)=y hat(i) + x hat (j) with the velocity vec(v)= x hat (i) y hat (j) . Neglect any force other than magnetic force. Now answer the following question. Which of the following is true for the direction of magnetic force ?

An electron of charge -e , mass m, enters a uniform magnetic field vec(B)= B hat(i) with an initial velocity vec(v) = v_(x) hat(i) + v_(y) hat(j) . What is the velocity of the electron after a time interval of t seconds?

An electron follows a helical path in uniform magnetic field given by vec(B) = (20 hat(i) - 50 hat(j) - 30 hat(k)) mT. At time t = 0, the electrons velocity is given by vec(v) = (40 hat(i) - 30 hat(j) + 50 hat(k)) m/s. (a) What is the angle phi between vec(v) and vec(B) ? The electron's velocity changes with time. Do (b) its speed and (c ) the angle phi change with time? (d) What is the radius of the helical path ?

A charge particles q enters in a magnetic field vec(B)=y hat(i) + x hat (j) with the velocity vec(v)= x hat (i) y hat (j) . Neglect any force other than magnetic force. Now answer the following question. Magnetic force F acting on charge is proportional to ā€“

The velocity of a particle of mass m is vec(v) = 5 hat(i) + 4 hat(j) + 6 hat(k)" " "when at" " " vec(r) = - 2 hat(i) + 4 hat (j) + 6 hat(k). The angular momentum of the particle about the origin is