Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A stationary observer receives a sound of frequency 2000 Hz. The variation of apparent frequency and time is shown. Find the speed of source; if velocity of sound is 300 m/s:
07
Nov
A stationary observer receives a sound of frequency 2000 Hz. The variation of apparent frequency and time is shown. Find the speed of source; if velocity of sound is 300 m/s: A stationary observer receives a sound of frequency 2000 Hz. The variation of apparent frequency and time is shown. Find the speed of source; [...]
Source and observer start moving simultaneously along x and y axis, respectively. The speed of source is twice the speed of observer, V0. If the ratio of observed frequency to
07
Nov
Source and observer start moving simultaneously along x and y axis, respectively. The speed of source is twice the speed of observer, V0. If the ratio of observed frequency to respectively. The speed of source is twice the speed of observer Source and observer start moving simultaneously along x and y axis V0. If the [...]
A capacitor is charged to store an energy U. The charging battery is disconnected . An identrical capacitor is now connected to the first capacitor in parallel . THe energy in each capacitor is now
07
Nov
A capacitor is charged to store an energy U. The charging battery is disconnected . An identrical capacitor is now connected to the first capacitor in parallel . THe energy in each capacitor is now A capacitor is charged to store an energy U. The charging battery is disconnected . An identrical capacitor is now [...]
Length of a string of density rho and Young’s modulus Y under tension is increased by 1/n times of its original length. If the velocity of transverse and longitudinal vibrations of the
07
Nov
Length of a string of density rho and Young’s modulus Y under tension is increased by 1/n times of its original length. If the velocity of transverse and longitudinal vibrations of the Length of a string of density rho and Young's modulus Y under tension is increased by 1/n times of its original length. If [...]
A capacitor of capacitance C 0 is charged to a potential V 0 and then isolated. A small capacitor C is then charged from C 0, discharged and charged again, the process being repeated n times. Due to this potential of the capacitor, C 0 is decreased to V. Find the value of C.
07
Nov
A capacitor of capacitance C 0 is charged to a potential V 0 and then isolated. A small capacitor C is then charged from C 0, discharged and charged again, the process being repeated n times. Due to this potential of the capacitor, C 0 is decreased to V. Find the value of C. [...]
In figure, trhe initial status of capacitors and theirs connections is shown . which of the following is incorrect about this circuit ?
07
Nov
In figure, trhe initial status of capacitors and theirs connections is shown . which of the following is incorrect about this circuit ? In figure trhe initial status of capacitors and theirs connections is shown . which of the following is incorrect about this circuit ? November 7, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
A 2 muF capacitor is charged to 100 V , and then its plates are cponnected by a conducting wire. The heat produced is
07
Nov
A 2 muF capacitor is charged to 100 V , and then its plates are cponnected by a conducting wire. The heat produced is A 2 muF capacitor is charged to 100 V and then its plates are cponnected by a conducting wire. The heat produced is November 7, 2020 Category: Uncategorised (JEE Advanced Physics [...]
When a source moves away from a stationary observer, the frequency is 6/7 times the original frequency. Given : speed of sound = 330 m/s. The speed of the source is
07
Nov
When a source moves away from a stationary observer, the frequency is 6/7 times the original frequency. Given : speed of sound = 330 m/s. The speed of the source is the frequency is 6/7 times the original frequency. Given: speed of sound =330 m/s. The speed of the source is When a source moves [...]
Consider a disconnected. Plate capacitor of capacity 10μ with air filled in the gap between the plates. Now one-half of the space between the plates is filled with a dielectric of dielectric constant 4 as shown in .The capacity of the capacitor changes to
07
Nov
Consider a disconnected. Plate capacitor of capacity 10μ with air filled in the gap between the plates. Now one-half of the space between the plates is filled with a dielectric of dielectric constant 4 as shown in .The capacity of the capacitor changes to The work done in increasing the potential of a capacitor from [...]
In sports meet the timing of a 200 m straight dash is recorded at the finish point by starting an accurate stop watch on hearing the sound of starting gun fired at the starting point.
07
Nov
In sports meet the timing of a 200 m straight dash is recorded at the finish point by starting an accurate stop watch on hearing the sound of starting gun fired at the starting point. In sports meet the timing of a 200 m straight dash is recorded at the finish point by starting an [...]