List of top Physics Questions on Magnetic Effects of Current and Magnetism asked in GAT-B

According to the molecular orbital theory, which of the following molecules should exhibit paramagnetism?
A proton and a deuteron moving with equal kinetic energy enter perpendicularly into a magnetic field. What will be the ratio of radii of the circular path of the proton to that of the deuteron?
Which of the following are not electromagnetic waves?
Two sources are called coherent if they produce waves
Which one of the following is the working principle behind optical fibers?
What type of modulation is used in television transmission?
Which one of the following attributes of an electromagnetic wave remains constant when it enters from air to water?
Moving electron (velocity v) produces a magnetic field B such that:
Which one of the following is NOT due to total internal reflection?
Which one of the following is NOT a property of a LASER?
The magnetic susceptibility is negative for:
Fleming's "left hand rule" is associated with the effect of
Light waves entering a medium with higher refractive index undergo