| ⇦ | 
| ⇨ |
When a string is divided into three segments of length l₁, l₂ and l₃ the fundamental frequencies of these three segments are v₁, v₂ and v₃ respectively. The original fundamental frequency (v) of the string is
Options
(a) √v = √v₁ + √v₂ + √v₃
(b) v = v₁ + v₂ + v₃
(c) 1/v = 1/v₁ + 1/v₂ + 1/v₃
(d) 1/ √v = 1/ √v₁ + 1/ √v₂ + 1/ √v₃
Correct Answer:
1/v = 1/v₁ + 1/v₂ + 1/v₃
Explanation:
Fundamental frequency is given by v = 1/ 2l √(T / µ)
⇒ v ∞ 1/ l ⇒ P ∞ 1 / v Since, P divided into l₁, l₂ and l₃ segments.
Here, l = l₁ + l₂ + l₃
So, 1/v = 1/v₁ + 1/v₂ + 1/v₃
Related Questions: - Out of the following options which one can be used to produce a propagating
- A cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration
- Light of wavelength λ from a point source falls on a small circular obstacle
- IF A⃗ and B⃗ are two vectors and θ is the angle between them
- The minimum wavelength of X-rays produced in a Collidge tube operated
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Out of the following options which one can be used to produce a propagating
- A cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration
- Light of wavelength λ from a point source falls on a small circular obstacle
- IF A⃗ and B⃗ are two vectors and θ is the angle between them
- The minimum wavelength of X-rays produced in a Collidge tube operated
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply