Paper 3

In an IB Physics Paper 3 experiment, which of the following instruments is most suitable for measuring the internal resistance of a cell?

While performing the experiment to find the focal length of a convex lens using a distant object, the image formed is:

In the experiment to determine the specific heat capacity of a solid using the method of mixtures, which assumption is NOT valid?

During the experiment to verify the laws of motion using a ticker-tape timer, the distance between dots increases uniformly. This indicates:

In the experiment to find Young's modulus using a wire and a micrometer screw gauge, the main source of error is:

In the potentiometer experiment, if the balancing length for a cell of emf E is l, and the length for a standard cell of emf E₀ is l₀, the emf E is given by:

In an experiment to determine the acceleration due to gravity using a simple pendulum, which of the following will NOT affect the period?

In the experiment to determine the resistance of a wire using a meter bridge, if the balance point shifts towards the unknown resistance side, it implies:

While performing the experiment for the charging and discharging of a capacitor through a resistor, the time constant τ is given by:

In the experiment to determine the e/m ratio of an electron by Thomson's method, the radius of the electron’s circular path in a magnetic field B is r. The e/m ratio is given by: