Repetition of the same tone or same note of unvarying pitch

The equivalent capacitance of an infinite ladder of a circuit formed by the repetition of the same link consisting of identical capacitors, each with capacitance C , is .

In the circuit shown there are n repetitions of the same loop. What resistance R _(0) should be connected across the end points , so that the equivalent resistance between a and b may be independent of n ? What is this equal to ?

Two particle execute SHM of same amplitude of 20 cm with same period along the same line about the same equilibrium position. The maximum distance between the two is 20 cm . Their phase difference in radians is

Draw a diagram to show the wave pattern of a pitch note and a low pitch note, but of the same loudness.

A piano wire having a diameter of 0.90 mm is replaced by another wire of the same material but with a diameter of 0.93 mm .If the tension of the wire is kept the same , then the percentage change in the frequency of the fundamental tone is

Two dice are thrown at the same time and the product of numbers appearing on them is noted. Find the probability that the product is less than 9.

The diagram below shows three different modes of vibration P, Q and R of the same string of a given length. Which vibration will produce a sound of maximum shrillness (or pitch) and why?

If two waves having amplitudes 2 A and A and same frequency and velocity, propagate in the same direction in the same phase, the resulting amplitude will be

Duplicate of holotype from same collection of same locality, date and same branch of plant is called