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For a person with normal hearing, the faintest sound that can be heard at a frequency of 400 Hz has a pressure amplitude of about root 33 * 10^-5 Pa. Calculate the corresponding
07
Nov
For a person with normal hearing, the faintest sound that can be heard at a frequency of 400 Hz has a pressure amplitude of about root 33 * 10^-5 Pa. Calculate the corresponding For a person with normal hearing the faintest sound that can be heard at a frequency of 400 Hz has a pressure [...]
The explosion of a fire cracker in the air at a height of 40 m produces a 100 dB sound level at ground below. What is the instantaneous total radiated power ? Assuming that it
07
Nov
The explosion of a fire cracker in the air at a height of 40 m produces a 100 dB sound level at ground below. What is the instantaneous total radiated power ? Assuming that it The explosion of a fire cracker in the air at a height of 40 m produces a 100 dB sound [...]
The capacitor each having capacitance C = 2 muF are connected with a battery of emf 30 V as shown in figure. When the switch S is closed. Find
07
Nov
The capacitor each having capacitance C = 2 muF are connected with a battery of emf 30 V as shown in figure. When the switch S is closed. Find The capacitor each having capacitance C = 2 muF are connected with a battery of emf 30 V as shown in figure. When the switch S [...]
A string is clamped at both the ends and it is vibrating in its 4th harmonic. The equation of the stationary wave is Y = 0.3 sin(0.157x) cos(200πt). The length of the string is : (All quantities are in SI units.)
07
Nov
A string is clamped at both the ends and it is vibrating in its 4th harmonic. The equation of the stationary wave is Y = 0.3 sin(0.157x) cos(200πt). The length of the string is : (All quantities are in SI units.) and is cut into n equal parts If a spring has time period T [...]
Figure shows a network of seven capacitors . If charge on 5 muF capacitor is 10 muC , find the potential difference between points A and C
07
Nov
Figure shows a network of seven capacitors . If charge on 5 muF capacitor is 10 muC , find the potential difference between points A and C Figure shows a network of seven capacitors . If charge on 5 muF capacitor is 10 muC find the potential difference between points A and C November 7, [...]
What charges will flow through section B of the circuit in the direction shown when switch S is closed.
07
Nov
What charges will flow through section B of the circuit in the direction shown when switch S is closed. What charges will flow through section B of the circuit in the direction shown when switch S is closed. November 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A person wears a hearing aid that uniformly increases the sound level of all audible frequencies of sound by 30.0 dB. The hearing aid picks up sound having a frequency of 250 Hz
07
Nov
A person wears a hearing aid that uniformly increases the sound level of all audible frequencies of sound by 30.0 dB. The hearing aid picks up sound having a frequency of 250 Hz A person wears a hearing aid that uniformly increases the sound level of all audible frequencies of sound by 30.0 dB. The [...]
Four capacitors are connected as hsown in figure to a 30 V battery. Find the potential difference between points a and b.
07
Nov
Four capacitors are connected as hsown in figure to a 30 V battery. Find the potential difference between points a and b. Four capacitors are connected as hsown in figure to a 30 V battery. Find the potential difference between points a and b. November 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
If the intensity is increased by a factor of 20, by how many decibels is the sound level increased ?
07
Nov
If the intensity is increased by a factor of 20, by how many decibels is the sound level increased ? by how many decibels is the sound level increased ? If the intensity is increased by a factor of 20 November 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A tuning fork force generates a sound of frequency f and resonates with the air column closed at one end by a tube of length l. If air column vibrates with its fundamental mode
07
Nov
A tuning fork force generates a sound of frequency f and resonates with the air column closed at one end by a tube of length l. If air column vibrates with its fundamental mode A tuning fork force generates a sound of frequency f and resonates with the air column closed at one end by [...]