Related MCQs
Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of the wires is slightly increased and both the wires are made to vibrate
Two identical piano wires have same fundamental frequency when kept under the the same tension.What will happen if tension of one of the wires is slightly increased and both the wires are made to vibr
Two identical straight wires are stretched so as to produce 6 beats per second when tension slightly in one of them, the beat frequency remains unchanged. Denoting by T1 and T2 the higher and lower
A wire under tension vibrates with a frequency of 450 cycles per sound. What would be the fundamental frequency if the wire were half as long, twice as thick and under one fourth tension
There are two identical red, two identical black, and two identical white balls.In how many different ways can the balls be placed in the cells (Each cell to contain one ball) shown above such that ba
Assertion (A): If an event A can happen in m ways and another event B can happen in n ways, both can happen in mn ways.Reason (R): Two events are mutually exclusive if happening of either precludes th
Two stretched wires of same material of lengths l and 2 l vibrate with frequencies 100 and 150 Hz respectively. The ratio of their tension is
Statements:All fans are wires.Some wires are made of copper.No copper is made of gold.Conclusions:I. No fan is made of copper.II. Some copper are gold.III. No copper is made of gold.IV. Some fans are
Two wires made up of the same material are of equal lengths but their diameters are in the ratio 1: 2.On stretching each of these two strings by the same tension, the ratio between the fundamental fre
Two wires of same material and radii r and 2r respectively are welded together end to end. The combination is used as a sonometer wire and kept under tension T. The welded point is mid-way between the