The electric field lines never intersect. Justify.

What is dielectric strength?

Define electrical resistivity.

What is Thomson effect?

State Biot-Savart’s law.

State Fleming's left hand rule.

State Fleming’s right hand rule.

What are phasors?

What are electromagnetic waves?

Obtain the equation for apparent depth.

How does an endoscope work?

Is there any difference between coloured light obtained from prism and colours of soap bubble?

How will you define threshold frequency?

Define the ionization energy and ionization potential.

In alpha decay, why the unstable nucleus emits \(_{ 2 }^{ 4 }{ He }\) nucleus? Why it does not emit four separate nucleons?