I. Whenever you add heat energy to any material, its temperature will rise II. Heat and temperature are the same thing III. If the pendulum of a normal grandfather clock is cooled the clock runs more quickly

Engineering

Physics

SHM of Simple Pendulum

Thermal Expansion

Calorimetry New

Question

I. Whenever you add heat energy to any material, its temperature will rise
II. Heat and temperature are the same thing
III. If the pendulum of a normal grandfather clock is cooled the clock runs more quickly

Only Whenever you add heat energy to any material, its temperature will rise and If the pendulum of a normal grandfather clock is cooled the clock runs more quickly are correct

Only If the pendulum of a normal grandfather clock is cooled the clock runs more quickly is correct

All are correct.

All are incorrect.

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I is false, what about when e.g. you have water at the boiling point?
II false very different quantities, (different units, too!)
III cooler clock means shorter, $T = 2 π \sqrt{(L / g)}$ means smaller period, or running quickly. So, III is true