Energy Changes Notes Questions with Answers PDF Download – Test 115

MCQ 571: On heating a solid, as the separation of atoms increases the potential energy:

1. decreases
2. remains constant
3. increases
4. becomes zero

MCQ 572: Particle which explains about mass of matter is called:

1. Higgs boson
2. protons
3. leptons
4. neutrons

MCQ 573: Principle of superposition can be applied to:

1. EM waves
2. sound waves
3. radio waves
4. all of above

MCQ 574: In linear motion, the energy is given by 1⁄₂mv². Similarly, in rotational motion, the rotational energy is given by:

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

MCQ 575: If direction of current is from positive to negative, then it is called:

1. electronic current
2. conventional current only
3. positronic current
4. protonic current