MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Tapasranjan Das Grade: 12
        

Q:-A wire of length 'l' having tension T and radius 'r' vibrats with fundamental frequency 'f'.Another wire of the same metal with length '2l' having tension 2T and radius 2r will vibrate with fundamental frequency:


A.f


B.2f


C.f/2√2


D.(f/2)√2

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										Dear Tapasranjan


let the density of the material is ?
so mass per unit length (µ) =??r^2
f=1/2L v(T/µ)
=1/2L v(T/??r^2)

now mass per unit length for second wire =??(2r)^2 =4??r^2

f' =1/4L v(2T/4??r^2)

= f/2v2

Please feel free to post as many doubts on our discussion forum as you can.
If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly.
We are all IITians and here to help you in your IIT JEE & AIEEE preparation.

All the best.

Regards,
Askiitians Experts
Badiuddin

7 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete Physics Course - Class 12
  • OFFERED PRICE: Rs. 2,756
  • View Details
  • Complete Physics Course - Class 11
  • OFFERED PRICE: Rs. 2,968
  • View Details

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details