The diameter of a stretched string is increased 3% keeping the other parameters constant then the velocity

In Young’s double slit experiment, if width (aperture) of the slit S is increased keeping other parameters constant, then the interference frings will :

If pressure of a fixed quantity of a gas is increased 4 times keeping the temperature constant, the r.m.s velocity will be

If pressure of a fixed quantity of a gas is increased 4 times keeping the temperature constant, the r.m.s velocity will be

If the tension in a string in increases from T to 4, T, by keeping other factors constant, then the frequency of the string will

The linear density of a stretched string is increased by 1%. Then the change in fundamental frequency of string is

The velocity of wave in a stretched string is proportional to

The tension of a stretched string is increased by 69%. In order to keep its frequency of vibration constant, its length must be increased by

The tension of a stretched string is increased by 69%. In order to keep its frequency of vibration constant, its length must be increased by :