Radioactive Substances Multiple Choice Questions (MCQ) PDF - 68

MCQ 336: Gamma radiation is emitted in order to

1. excite the atom
2. release excess energy from atom
3. destabilize the atom
4. stabilize the atom

MCQ 337: When the work done in moving a particle round a closed loop in a field is zero, the forces in the field are called

1. Zero forces
2. Non-Conservative forces
3. Conservative forces
4. Viscous forces

MCQ 338: Celsius scale is based on properties of

1. Mercury
2. Aluminum
3. Cesium
4. Water

MCQ 339: Most stable isotope in nature is of

1. iron-56
2. carbon-12
3. uranium-235
4. uranium-238

MCQ 340: Gradient of velocity-time graph tells us about object's

1. velocity
2. displacement
3. distance
4. acceleration