A particle is projected in a gravity free space. If the particle suffers deviation but its kinetic energy remains unchanged, then in that region

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

‘E’ may be zero but ‘B’ must not be zero

‘E’ must be zero but ‘B’ must not be zero

‘E’ and ‘B’ both must not be zero

‘E’ must not be zero but ‘B’ may be zero

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Due to the action of electric force, the kinetic energy of the particle must change but since direction of magnetic force FB→=QV→×B→ is always perpendicular to the direction of motion and hence wok done by magnetic force on the particle is zero and its kinetic energy remains unchanged.Hence option -(2) is correct

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th