Fundamental Forces MCQs (Multiple Choice Questions) PDF Download - 22

In β⁺ decay, an UP quark becomes

1. a strange quark
2. a simple quark
3. a down quark
4. an anti-quark

Over-damping results in

1. slower return to equilibrium
2. faster return to equilibrium
3. equilibrium is never achieved
4. arrhythmic return to equilibrium

Total angular momentum of a body is given by

1. I × Ω; where I: moment of inertia of the body, Ω: angular velocity
2. I² × Ω; where I: moment of inertia of the body, Ω: angular velocity
3. I² × Ω²; where I: moment of inertia of the body, Ω: angular velocity
4. I × Ω²; where I: moment of inertia of the body, Ω: angular velocity

Area under current-time graph represents

1. magnitude of charge
2. dielectric
3. amount of positive charge
4. amount of negative charge

As wave travels, intensity

1. increases
2. remains same
3. decreases
4. varies