As the air column of length L in an air pipe decreases, t...
As the air column of length L in an air pipe decreases, the frequency of the sationary wave emitted
decreases
increases
varies as L2
varies as \(\sqrt{L}\)
Correct answer is A
No explanation has been provided for this answer.
The speed of sound in air is directly proportional to ...
A magnetic field is said to exist at a point if a force is ...
Which of the following statements is not correct about steel and soft iron? ...
The slope of a straight-line velocity-time graph represents ...
A certain radioactive source emits radiation that was found to be deflected by both magnetic an...
The energy required to change a solid to liquid at constant temperature is called ...