Question Answers
Sahay Sir > Question Answers
Due to a point isotropic sonic source, loudness at a point is L = 60 dB. If density of air is rho = (15/11) kg/m^3 and velocity of sound in air is v = 33 m/s, the pressure oscillation
07
Nov
Due to a point isotropic sonic source, loudness at a point is L = 60 dB. If density of air is rho = (15/11) kg/m^3 and velocity of sound in air is v = 33 m/s, the pressure oscillation Due to a point isotropic sonic source loudness at a point is L = 60 dB. [...]
A pararllel plate capacitor has plates of area A and separation d and is charged to potential diference V. The charging battery is then disconnected and the plates are pulle apart until their separation is 2d. What is the work required to separate the plates?
07
Nov
A pararllel plate capacitor has plates of area A and separation d and is charged to potential diference V. The charging battery is then disconnected and the plates are pulle apart until their separation is 2d. What is the work required to separate the plates? a 2mm thick plate is inserted between the plates Then [...]
Tags:
a 2mm thick plate is inserted between the plates Then ,
after removing the battery ,
the distance betweem the capacitor plates is increase by 1.6 mm. The dielectric constant of the plate ,
The plates of a parallel plate capacitor are charged up to 100 v. Now ,
to maintain the same potential deffernce ,
A boy is walking away from a wall at a speed of 1.0 m/s in a direction at right angles to the wall. The boy blows a whistle steadily. An observer towards whom the boy is moving
07
Nov
A boy is walking away from a wall at a speed of 1.0 m/s in a direction at right angles to the wall. The boy blows a whistle steadily. An observer towards whom the boy is moving A boy is walking away from a wall at a speed of 1.0 m/s in a direction at [...]
A spherical capacitor has an inner sphere of radius 12 cm and an outer sphere of radius 13 cm. The outer sphere is earthed and the inner sphere is given a charge of 2.5μC. The space between the concentric spheres is filled with a liquid of dielectric constant 32. (a) Determine the capacitance of the capacitor. (b) What is the potential of the inner sphere?
07
Nov
A spherical capacitor has an inner sphere of radius 12 cm and an outer sphere of radius 13 cm. The outer sphere is earthed and the inner sphere is given a charge of 2.5μC. The space between the concentric spheres is filled with a liquid of dielectric constant 32. (a) Determine the capacitance of the [...]
Tags:
a 2mm thick plate is inserted between the plates Then ,
after removing the battery ,
the distance betweem the capacitor plates is increase by 1.6 mm. The dielectric constant of the plate ,
The plates of a parallel plate capacitor are charged up to 100 v. Now ,
to maintain the same potential deffernce ,
When temperature increase, the frequency of a tuning fork
07
Nov
When temperature increase, the frequency of a tuning fork the frequency of a tuning fork When temperature increase November 7, 2020 Category: Chapter 10 - Oscillation and Waves , JEE Mains Physics 2002-2019 Solved Video Solutions ,
A sound wave of frequency n travels horizontally to the right with speed c. It is reflected from a broad wall moving to the left with speed v. The number of beats heard by a stationary
07
Nov
A sound wave of frequency n travels horizontally to the right with speed c. It is reflected from a broad wall moving to the left with speed v. The number of beats heard by a stationary A sound wave of frequency n travels horizontally to the right with speed c. It is reflected from a [...]
For the configuration of media of permittivities E0 , E and E0 between parallel plates each of area A, as shown in figure, the equivalent capacitance is
07
Nov
For the configuration of media of permittivities E0 , E and E0 between parallel plates each of area A, as shown in figure, the equivalent capacitance is as shown in figure E and E0 between parallel plates each of area A For the configuration of media of permittivities E0 the equivalent capacitance is November 7, [...]
A tuning fork arrangement (pair) produces 4 beats/s with one fork of frequency 288 cps. A little wax is placed on the unknown fork and it then produces 2 beats/s. The frequency of the unknown fork is:
07
Nov
A tuning fork arrangement (pair) produces 4 beats/s with one fork of frequency 288 cps. A little wax is placed on the unknown fork and it then produces 2 beats/s. The frequency of the unknown fork is: A tuning fork arrangement (pair) produces 4 beats/s with one fork of frequency 288 cps. A little wax [...]
The capacitance of an infinite circuit formed by the repetition of the same link consisting of two identical capacitors, each with capacitance C ( fig ) , is
07
Nov
The capacitance of an infinite circuit formed by the repetition of the same link consisting of two identical capacitors, each with capacitance C ( fig ) , is each with capacitance C ( fig ) is The capacitance of an infinite circuit formed by the repetition of the same link consisting of two identical capacitors [...]
Two cars are moving on two perpendicular roads towards a crossing with uniform speeds of 72 km/h and 36 km/h. If second car blows horn of frequency 280 Hz, then the frequency
07
Nov
Two cars are moving on two perpendicular roads towards a crossing with uniform speeds of 72 km/h and 36 km/h. If second car blows horn of frequency 280 Hz, then the frequency then the frequency Two cars are moving on two perpendicular roads towards a crossing with uniform speeds of 72 km/h and 36 km/h. [...]