A vibrating string is heated to a higher temperature. What happens to the pitch of the note produced by it ?

The temperature of a vibrating string is increased by heating it. What will happen to the pitch of the note produced by it ?

What happens to the pitch of a sound if its frequency increases?

What happens to air upon heating?

If the temperature increases, then what happens to the frequency of the sound produced by the organ pipe ?

Do you think a body at higher temperature contains more heat? Explain.

A vibrating string is tied at its two ends. The equation of the wave produced on the string is given by y= cos (2 pi t) sin (2pi x) What is the lenghts of the string,f it is in the fundamental node of vibration ?

What is the name of the sound produced by irregular vibrations?

A black body initially at 27^(@)C is heated to 327^(@)C is heated to 327^(@)C . How many times is total heat emitted at the higher temperature than emitted at lower temperature ? What is the wavelength of the maximum energy radiation at the higher temperature ? Wien's constant = 2.898 xx 10^(-3) mK .