Chapter 14 – Waves
The wave pattern on a stretched string is shown in figure. Interpret what kind of wave is this and find its wavelength?
12
Nov
The wave pattern on a stretched string is shown in figure. Interpret what kind of wave is this and find its wavelength? The wave pattern on a stretched string is shown in figure. Interpret what kind of wave is this and find its wavelength? November 12, 2020 Category: Chapter 14 - Waves , NCERT Exemplar [...]
A pipe 20 cm long is closed at one end. Which harmonic mode of the pipe is resonantly excited by a source of 1237.5 Hz ? (sound velocity in air =30ms^−1)
12
Nov
A pipe 20 cm long is closed at one end. Which harmonic mode of the pipe is resonantly excited by a source of 1237.5 Hz ? (sound velocity in air =30ms^−1) A pipe 20 cm long is closed at one end. Which harmonic mode of the pipe is resonantly excited by a source of 1237.5 [...]
A steel wire has a length of 12 m and a mass of 2.10 kg. What will be the speed of a transverse wave on this wire when a tension of 2.06 × 10^4N is applied?
12
Nov
A steel wire has a length of 12 m and a mass of 2.10 kg. What will be the speed of a transverse wave on this wire when a tension of 2.06 × 10^4N is applied? A steel wire has a length of 12 m and a mass of 2.10 kg. What will be the [...]
When two waves of almost equal frequency n1 and n2 are produced simultaneously. What is the times interval between successive maxima ?
12
Nov
When two waves of almost equal frequency n1 and n2 are produced simultaneously. What is the times interval between successive maxima ? When two waves of almost equal frequency n1 and n2 are produced simultaneously. What is the times interval between successive maxima ? November 12, 2020 Category: Chapter 14 - Waves , [...]
At what temperature will the speed of sound in air be 3 times its value at 0^o C?
12
Nov
At what temperature will the speed of sound in air be 3 times its value at 0^o C? At what temperature will the speed of sound in air be 3 times its value at 0^o C? November 12, 2020 Category: Chapter 14 - Waves , NCERT Exemplar Class 11 , Physics ,
A sitar wire is replaced by another wire of same length and material but of three times the earlier radius. If the tension in the wire remains the same, by what factor will the frequency change ?
12
Nov
A sitar wire is replaced by another wire of same length and material but of three times the earlier radius. If the tension in the wire remains the same, by what factor will the frequency change ? A sitar wire is replaced by another wire of same length and material but of three times the [...]
The displacement of an elastic wave is given by the function y=3sinωt+4cosωt. where y is in cm and t is in second. Calculate the resultant amplitude.
12
Nov
The displacement of an elastic wave is given by the function y=3sinωt+4cosωt. where y is in cm and t is in second. Calculate the resultant amplitude. The displacement of an elastic wave is given by the function y=3sinωt+4cosωt. where y is in cm and t is in second. Calculate the resultant amplitude. November 12, 2020 [...]
A tuning fork A, marked 512 Hz, produces 5 beats per second, when sounded with another unmarked tuning fork B. If B is loaded with wax, the number of beats is again 5 per second. What is the frequency of tuning fork B when not loaded?
12
Nov
A tuning fork A, marked 512 Hz, produces 5 beats per second, when sounded with another unmarked tuning fork B. If B is loaded with wax, the number of beats is again 5 per second. What is the frequency of tuning fork B when not loaded? A tuning fork A marked 512 Hz produces 5 [...]
An organ pipe of length L open at both ends is found to vibrate in its harmonic when sounded with a tuning fork of 480Hz. What should be the length of a pipe closed at one end, so that it also vibrates in its first harmonic with the same tuning fork?
12
Nov
An organ pipe of length L open at both ends is found to vibrate in its harmonic when sounded with a tuning fork of 480Hz. What should be the length of a pipe closed at one end, so that it also vibrates in its first harmonic with the same tuning fork? An organ pipe of [...]
A sonometer wire is vibrating is resonance with a tuning fork. Keeping the tension applied same, the length of the wire is doubled. Under what conditions would the tuning fork still be in resonance with the wire?
12
Nov
A sonometer wire is vibrating is resonance with a tuning fork. Keeping the tension applied same, the length of the wire is doubled. Under what conditions would the tuning fork still be in resonance with the wire? A sonometer wire is vibrating is resonance with a tuning fork. Keeping the tension applied same the length [...]