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# Interesting Questions in Physics

Updated: Apr 29

• Will a pendulum clock gain or lose time when taken to the top of a mountain?

• The bob of a simple pendulum is made of wood. What will be the effect on the time period if the wooden bob is replaced by an identical bob of aluminum?

• The bob of a simple pendulum is a hollow sphere filled with water. How will the period of oscillation change, if the water begins to drain out of the hollow sphere?

• A girl is swinging seated in a swing. What is the effect on the frequency of oscillation if she stands?

• If the polar ice caps of the earth were to melt, what would the effect of the length of the day be?

• Why are spokes provided in a bicycle wheel?

• Give an example where the velocity of an object is zero but its acceleration is not zero.

• Hydrogen is in abundance around the sun but not around earth. Why?

• Can there be electric potential at a point with zero electric intensity? Give an example.

• Why does the car with a flattened tyre stop sooner than the one with inflated tires?

• why is the electric field always at right angles to the equipotential surface? Explain.

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