NEET Last 32 Years Solved 1988 – 2019 Physics and Chemistry Video Solutions
Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions
Two waves are represented by the equations y1 = a sin (omega t + kx + 0.57)m and y2 = a cos (omega t + kx) m where x is in metre and t in second. The phase difference between them is
31
Aug
Two waves are represented by the equations y1 = a sin (omega t + kx + 0.57)m and y2 = a cos (omega t + kx) m where x is in metre and t in second. The phase difference between them is Two waves are represented by the equations y1 = a sin (omega t [...]
A uniform rope of length L and mass m1 hangs vertically from a rigid support. A block of mass m2 is attached to the free end of the rope. A transverse pulse of wavelength lamda 1 is produced at the lower end of the rope. The wavelength of the pulse when it reaches the top of the rope is lamda 2. The ratio (lamda 2)/(lamda 1) is
31
Aug
A uniform rope of length L and mass m1 hangs vertically from a rigid support. A block of mass m2 is attached to the free end of the rope. A transverse pulse of wavelength lamda 1 is produced at the lower end of the rope. The wavelength of the pulse when it reaches the top [...]
Two periodic waves of intensities I1 and I2 pass through a region at the same time in the same direction. The sum of the maximum and minimum intensities is
31
Aug
Two periodic waves of intensities I1 and I2 pass through a region at the same time in the same direction. The sum of the maximum and minimum intensities is Two periodic waves of intensities I1 and I2 pass through a region at the same time in the same direction. The sum of the maximum and [...]
The wave described by y = 0.25 sin (10 pi x – 2pi t) , where x and y are in metres and t in seconds , is a wave travelling along the:
31
Aug
The wave described by y = 0.25 sin (10 pi x – 2pi t) , where x and y are in metres and t in seconds , is a wave travelling along the: is a wave travelling along the: The wave described by y = 0.25 sin (10 pi x - 2pi t) where x [...]
A wave in a string has an amplitude of 2 cm. The wave travels in the positive direction of x axis with a speed of 128 m/s and it is noted that 5 complete waves fit in 4 m length of the string. The equation describing the wave is
31
Aug
A wave in a string has an amplitude of 2 cm. The wave travels in the positive direction of x axis with a speed of 128 m/s and it is noted that 5 complete waves fit in 4 m length of the string. The equation describing the wave is Two vibrating tuning forks produce progressive [...]
A transverse wave is represented by y=Asin(ωt-kx). For what value of the wavelength is the wave velocity equal to the maximum particle velocity?
31
Aug
A transverse wave is represented by y=Asin(ωt-kx). For what value of the wavelength is the wave velocity equal to the maximum particle velocity? A transverse wave is represented by y=Asin(ωt-kx). For what value of the wavelength is the wave velocity equal to the maximum particle velocity? August 31, 2020 Category: Chapter 16 - Waves , [...]
A wave travelling in positive X-direction having displacement along y direction as 1 m, wavelength 2 pie m and frequency 1/pie Hz is represented as
31
Aug
A wave travelling in positive X-direction having displacement along y direction as 1 m, wavelength 2 pie m and frequency 1/pie Hz is represented as A wave travelling in positive X-direction having displacement along y direction as 1 m wavelength 2 pie m and frequency 1/pie Hz is represented as August 31, 2020 Category: Chapter [...]
Two vibrating tuning forks produce progressive waves given by , y1 = 4sin(500πt) and y2 = 2sin(506πt). These tuning forks are held near the ear of person . Number of beats produced per minute is
31
Aug
Two vibrating tuning forks produce progressive waves given by , y1 = 4sin(500πt) and y2 = 2sin(506πt). These tuning forks are held near the ear of person . Number of beats produced per minute is Two vibrating tuning forks produce progressive waves given by y1 = 4sin(500πt) and y2 = 2sin(506πt). These tuning forks are [...]
Two sound waves with wavelengths 5.0 m and 5.5 m respectively, each propagates in a gas with velocity 30m/s We expect the following number of beats per second:
31
Aug
Two sound waves with wavelengths 5.0 m and 5.5 m respectively, each propagates in a gas with velocity 30m/s We expect the following number of beats per second: each propagates in a gas with velocity 30m/s We expect the following number of beats per second: Two sound waves with wavelengths 5.0 m and 5.5 m [...]
The driver of a car travelling with speed 30 m/s towards a hill sounds a horn of frequency 600 Hz. If the velocity of sound in air is 330 m/s, the frequency of reflected sound as heard by driver is
31
Aug
The driver of a car travelling with speed 30 m/s towards a hill sounds a horn of frequency 600 Hz. If the velocity of sound in air is 330 m/s, the frequency of reflected sound as heard by driver is The driver of a car travelling with speed 30 m/s towards a hill sounds a [...]