Superposition of waves Mock Test (Physics) MHT CET 2021

A sine wave is travelling in a medium. The minimum distance between two particles always having same speed is (λ is wavelength of wave )

Stationary waves are produced

If the length of vibrating string is kept constant , then frequency of string will be directly proportional to

When the beats are produced by vibrations of two tuning forks of nearly equal frequencies, then the velocity of propagation of beats

The equation of wave of amplitude 0.02 m and period 0.04 s travelling along a stretched string with a velocity of 25m/s will be

A progressive wave is represented by the equation y= 0.5sin (314t-12.56x) where y and x are in metre and t is in second. Its wavelength is

The equation of plane progressive wave given by y = 3sinπ (1/0.02 – x/20). The frequency of wave is

Two waves are represented by y1 = Asin(ωt +π/6) and y2= Acosωt. What will be their resultant amplitude ?

Two waves represented by the following equations are travelling in same medium y1 = 5 sin 2π (75t – 0.25x)  y2= 10sin2π (150t- 0.50x). The intensity ratio I1/I2 of two wave is

Two waves of same frequency have amplitudes 5cm and 3cm. These waves are made to superpose in same direction. The ratio of maximum intensity to minimum intensity at various places will be

Node is that point in longitudinal stationary waves where pressure

The fundamental frequency of a closed organ pipe is 50Hz. The note of which of the following frequencies will not be emitted  by it ?

Two closed pipes produce 10 beats per second when emitting their fundamental notes. If their lengths are in ratio 25:26 then their fundamental frequencies in Hz are

In a long cylindrical tube, the water level adjusted and the air column is made to vibrate unison with a vibrating tuning fork kept at the open end. Resonances are obtained w lengths of air column are

The fundamental frequency of a closed organ pipe is 50 Hz. The frequency of the second overtone is

The third overtone of an organ pipe of length Lo has the same frequency as third overtone of a closed pipe of length Lc. The ratio of L0/Lc is equal to

The fundamental note produced by an open organ pipe has frequency n. The fundamental note produced by a closed organ pipe of the same length will have frequency

A tube closed at one end and containing air when excited produces the fundamental note of frequency 512 Hz. If the tube of same length is open at both ends, then the fundamental frequency that can be excited is

An organ pipe closed at one end has fundamental frequency of 1500 Hz. The maximum number of overtones generated by this pipe which a normal person can hear is :

A tuning fork of frequency 392 Hz resonates with 50 cm length of a string under tension (T). If length of the string is decreased by 2% keeping the tension constant, the number of beats heard when the string and the tuning fork
are made to vibrate simultaneously is

A pipe closed at one end has length 83 cm. The number of possible natural oscillations of are column whose frequencies lie below 1000 Hz are (velocity of sound in air = 332 m/s)

The fundamental frequency of an air column in a pipe closed at one end is 100 Hz. If the same pipe is open at both the ends, the frequencies produced in Hz are

A pipe open at both ends has a fundamental frequency f in air. The pipe is dipped vertically in water so that half of it is in water. The fundamental frequency of the air column is now

When open pipe is closed from one end then third overtone of closed pipe is higher in frequency by 150 Hz than second overtone of open pipe. The fundamental frequency of open end pipe will be

The frequency of vibration of air column in a pipe closed at one end is n1 and that of the one closed at both ends is n2.When both the pipes are joined to form a pipe closed at one end, the frequency of vibration of air column in it is (neglecting end correction)

A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250 Hz. The velocity of sound in air is 340m/s

In a resonance tube experiment, a vibrate tuning fork is held above the open end & water level is gradually pushed down. The first & second resonances Occur when the water level 24.1cm & 74.1 cm respectively below the open
end. The diameter of the tube is

‘n’ number of waves are produced on a string in  0.5 second. Now the tension in the string is doubled (Assume length and radius constant), the number of waves produced in 0.5 second for the same harmonic will be

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