MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Magnetic Field

Cathode rays ...

Question

Cathode rays enter a uniform magnetic field normal to the field. Their path is :

A

A parabola

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

A circle

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

A straight line

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

A hyperbola

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D A circle
$\to F = q (\to v X \to B)$
thus magnetic force is centripital in nature. So, the path of cathode ray particles in magnetic field when projected normal to the fieldis circular.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Cathode rays enter an electric field normal to the field. Then their path in the electric field is :

Q. Cathode rays gain K.E. when accelerated by an electric field. If they are subjected to a uniform magnetic field, then their

Q. Cathode rays gain kinetic energy when accelerated by an electric field. If they are subjected to a uniform magnetic field, then their

Q. An electron and a proton having equal momentum enter in a uniform magnetic field normal to the field lines. If the radii of their circular paths be

r_{e}

r_{p}

respectively, then

Q. The path of the cathode rays in an magnetic field can be approximated to a circle. In order to double the radius of the circular path keeping velocity constant :

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Magnetic Field

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon