MYTUTOR SUBJECT ANSWERS

297 views

A 1.6m long string fixed at both ends vibrates at its fundamental frequency... (i)what is this frequency?

For the first part, we consult the formula c=fλ. This tells us that wavelength is inversely proportional to frequency.. ie as one increases the other decreases. This means the lowest(fundamental) frequency goes with the longest wavelength. If you consult a diagram of a vibrating string, you'll see that the greatest wavelength is equal to twice the length of the string.(This is because there must be a node at each end, and is best shown with diagrams).

So the wavelength we are looking for is 1.6x2= 3.2m. Since this is a sound wave c=340m/s. All our numbers are in the correct units, so we may proceed, using f=cλ. The answer is f=106.25Hz

Monique  . A Level Physics tutor, A Level French tutor, A Level Maths...

11 months ago

Answered by Monique, an A Level Physics tutor with MyTutor


Still stuck? Get one-to-one help from a personally interviewed subject specialist

56 SUBJECT SPECIALISTS

£20 /hr

Adam T.

Degree: Physics (Bachelors) - Edinburgh University

Subjects offered: Physics, Maths

Physics
Maths

“About Me I am currently studying Mathematical Physics at the University of Edinburgh.  I find physics and maths interesting and exciting and I hope I can show you how intriguing and entertaining your course can be as well.   When stu...”

MyTutor guarantee

£22 /hr

Aldo E.

Degree: Engineering (Masters) - Cambridge University

Subjects offered: Physics, Maths+ 1 more

Physics
Maths
Further Mathematics

“Hi, I'm Aldo! I'm a Cambridge engineer and I'm passionate about maths and physics, as well as passing on knowledge to others!”

£20 /hr

Elena S.

Degree: Mechanical Engineering MEng (Masters) - Imperial College London University

Subjects offered: Physics, Maths+ 3 more

Physics
Maths
Further Mathematics
Chemistry
Biology

“I am currently studying Mechanical Engineering at Imperial College London. This comes out of my passion for forming real life solutions to problems and love of problem solving. It’s this that inspires my tutoring also. Throughout univ...”

MyTutor guarantee

About the author

Monique .

Currently unavailable: for regular students

Degree: Physics (Masters) - Oxford, Balliol College University

Subjects offered: Physics, Maths+ 3 more

Physics
Maths
French
Chemistry
Biology

“ABOUT ME I am a 19 year old physics student at Oxford University, and I love my subject, because I love solving challenging problems . I have wanted to tutor for a while now because of this; I’d like to help others with whatever they ...”

You may also like...

Posts by Monique

A 1.6m long string fixed at both ends vibrates at its fundamental frequency... (i)what is this frequency?

Atmospheric Pressure is about 1.0x10^5 Pa. What is the downward force of the air on a desktop of surface area 1m^2?

Find dy/dx where y=e^(4xtanx)

How do you know when to use savoir or connaitre?

Other A Level Physics questions

How are X-Rays produced?

An object at rest on an inclined plane starts to slide when the incline angle α=30° with the horizontal. Calculate the coefficient of static friction between the object and incline.

A model truck A of mass 1.2 kg is travelling due west with a speed of 0.90 m/s . A second truck B of mass 4.0 kg is travelling due east towards A with a speed of 0.35 m/s .

A ball is kicked from a tower (50m) at a speed of 20m/s. How far away does the ball hit the ground?

View A Level Physics tutors

Cookies:

We use cookies to improve our service. By continuing to use this website, we'll assume that you're OK with this. Dismiss

mtw:mercury1:status:ok