Home
Class 12
PHYSICS
Two turning forks of frequencies n(1) a...

Two turning forks of frequencies `n_(1)` and `n_(2)` produces n beats per second. If `n_(2)` and n are known, `n_(1)` may be given by

A

`(n_(2))/(n)+n_(2)`

B

`n_(2)n`

C

`n_(2)+-n`

D

`(n_(2))/(n)-n_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN|Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|24 Videos
  • RACE

    ALLEN|Exercise Basic Maths (Wave Motion & Dopplers Effect) (Fundamental)|25 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

Two open organ pipes of fundamental frequencies n_(1) and n_(2) are joined in series. The fundamental frequency of the new pipes so obtained will be

A tuning fork having n = 300 Hz produces 5 beats/s with another tuning fork. If impurity (wax) is added on the arm of known tuning fork, the number of beats decreases then calculate the frequency of unknown tuning fork.

A string is cut into three parts, having fundamental frequencies n_(1), n_(2) and n_(3) respectively, Then original fundamental frequency 'n' related by the expression as:

Two coaxial long solenoids of equal length have current, i_(1), i_(2) , number of turns per unit length n_(1), n_(2) and radius r_(1), r_(2) respectively. If n_(1)i_(1)=n_(2)i_(2) and the two solenoids carry current in opposite sense, the magnetic energy stored per unit length is [r_(2)gt r_(1)]

Photoelectric emmision is observed from a surface when lights of frequency n_(1) and n_(2) incident.If the ratio of maximum kinetic energy in two cases is K: 1 then ( Assume n_(1) gt n_(2)) threshod frequency is

Wire having tension 225 N produces six beats per second when it is tuned with a fork. When tension changes to 256 N, it is tuned with the same fork, the number of beats remain unchanged. The frequency of the fork will be

There are two long co-axial solenoids of same length l. The inner and other coils have redii r_(1) and r_(2) and number of turns per unti length n_(1) and n_(2) respectively .The reatio of mutual inductance to the self - inductance of the inner- coil is : (A) n_(1)/n_(2) (B) n_(2)/n_(1).r_(1)/r_(2) (C) n_(2)/n_1.r_2^2/r_1^2 (D) n_(2)/n_(1)

Define mutual inductance between two long coaxial solenoids. Find out the expression for the mutual of inner solenoid of length 1 having the radius r_(1) and the number of turns n_(1) per unit length due to the second other solenoid of same length and n_(2) number of turns per unit length.

For each n in N, n(n+1) (2n+1) is divisible by

If n_(1) and n_(2) are the frequencies of sound waves producing beats then the time interval between one maxima and next minima is