Question

A stretch wire 0.4m long is made ot vibrate in two different modes as shown. What is the wavelenght of wave in

i) mode P

ii) mode Q

and

iii) IN which case the note is of higher pitch

• A. i) 0.4m (ii) 0.4m (iii) Q
• B. i) 0.8m (ii) 0.4m (iii) Q
• C. i) 0.4m (ii) 0.2m (iii) Q
• D. i) 0.4m (ii) 0.2m (iii) P

Answer 1

The correct option is B

i) 0.8m (ii) 0.4m (iii) Q

i) 0.8m (ii) 0.4m (iii) Q