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A stiff wire is bent into a cylinder loop of diameter D. It is clamped by knife edges at two points opposite to each other. A transverse wave is sent around the loop by means of a
06
Nov
A stiff wire is bent into a cylinder loop of diameter D. It is clamped by knife edges at two points opposite to each other. A transverse wave is sent around the loop by means of a A stiff wire is bent into a cylinder loop of diameter D. It is clamped by knife edges [...]
A metal bar clamped at its centre resonates in its fundamental mode to produce longitudinal waves of frequency 4 KHz. Now the clamp is moved to one end. If f1 and f2 be the
06
Nov
A metal bar clamped at its centre resonates in its fundamental mode to produce longitudinal waves of frequency 4 KHz. Now the clamp is moved to one end. If f1 and f2 be the A metal bar clamped at its centre resonates in its fundamental mode to produce longitudinal waves of frequency 4 KHz. Now [...]
A whistle emitting a sound of frequency 440 Hz is tied to a string of length 1.5 m and rotated with an angular velocity of 20 rad/s in the horizontal plane. Then, the range of frequencies heard by an observer stationed at a large distance from the whistle will be : (V = 330 m/s)
06
Nov
A whistle emitting a sound of frequency 440 Hz is tied to a string of length 1.5 m and rotated with an angular velocity of 20 rad/s in the horizontal plane. Then, the range of frequencies heard by an observer stationed at a large distance from the whistle will be : (V = 330 m/s) [...]
A charge of 5 muC i splaced at the center of a square ABCD of side 10 cm. Find the work done ( in muJ ) in moving a charge of 1 muC from A to B .
06
Nov
A charge of 5 muC i splaced at the center of a square ABCD of side 10 cm. Find the work done ( in muJ ) in moving a charge of 1 muC from A to B . A charge of 5 muC i splaced at the center of a square ABCD of side 10 [...]
The rope shown at an instant is carrying a wave travelIing towards right created source vibrating at a frequency n. consider the following statement:
06
Nov
The rope shown at an instant is carrying a wave travelIing towards right created source vibrating at a frequency n. consider the following statement: The rope shown at an instant is carrying a wave travelIing towards right created source vibrating at a frequency n. consider the following statement: November 6, 2020 Category: Arihant Physics by [...]
There are 27 drops of a conducting fluid. Each drop has radius r, and each of them is charged to the same potential V 1 .They are then combined to form a bigger drop.The potential of the bigger drop is V 2 .Find the ratio V 2 /V 1 . Ignore the change in density of the fluid on combining the drops.
06
Nov
There are 27 drops of a conducting fluid. Each drop has radius r, and each of them is charged to the same potential V 1 .They are then combined to form a bigger drop.The potential of the bigger drop is V 2 .Find the ratio V 2 /V 1 . Ignore the [...]
A short dipole of dipole moment P is kept near diffeent sources of electric field ( an infinite line charge , a point charge , a ring charge , etc ) in column I . the force F experienced by the dipole and the potential energy U of dipole are given in column II.
06
Nov
A short dipole of dipole moment P is kept near diffeent sources of electric field ( an infinite line charge , a point charge , a ring charge , etc ) in column I . the force F experienced by the dipole and the potential energy U of dipole are given in column II. a [...]
An electric dipole is placed in a uniform external electric field . Theta is the angle between the dipole moment and th efield direction . In general , the dipole rotates under a torque . With reference to the behavior of the dipole in an electric field , match column I with column II.
06
Nov
An electric dipole is placed in a uniform external electric field . Theta is the angle between the dipole moment and th efield direction . In general , the dipole rotates under a torque . With reference to the behavior of the dipole in an electric field , match column I with column II. An [...]
Two cars are moving on two perpendicular roads towards a crossing with uniform speeds of 72 km/h and 36 km/h. If first car blows horn. of frequency 280 Hz, then the frequency of horn. heard by the driver of second car when line joining the car makes angle of 45 with the roads, will be
06
Nov
Two cars are moving on two perpendicular roads towards a crossing with uniform speeds of 72 km/h and 36 km/h. If first car blows horn. of frequency 280 Hz, then the frequency of horn. heard by the driver of second car when line joining the car makes angle of 45 with the roads, will be [...]
Column I shows graphs of electric potential V versus x and Y in a certain region for four situations . Column II gives the angle that the electric field vector makes with positive x – direction.
06
Nov
Column I shows graphs of electric potential V versus x and Y in a certain region for four situations . Column II gives the angle that the electric field vector makes with positive x – direction. Column I shows graphs of electric potential V versus x and Y in a certain region for four situations [...]