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Two loudspeakers M and N are located 20 m apart and emit sound at frequencies 118 Hz and 121 Hz, respectively. A car is initially at a point P, 1800 m away from the midpoint
08
Nov
Two loudspeakers M and N are located 20 m apart and emit sound at frequencies 118 Hz and 121 Hz, respectively. A car is initially at a point P, 1800 m away from the midpoint 1800 m away from the midpoint respectively. A car is initially at a point P Two loudspeakers M and N [...]
In figure, teh seperation between the plates of C1 is slowely increased to double of its initial value. Now match the entries in column I and II.
08
Nov
In figure, teh seperation between the plates of C1 is slowely increased to double of its initial value. Now match the entries in column I and II. In figure teh seperation between the plates of C1 is slowely increased to double of its initial value. Now match the entries in column I and II. November [...]
Two vehicles, each moving with speed u on the same horizontal straight road, are approaching each other. Wind blows along the road with velocity w. One of these vehicles blows
08
Nov
Two vehicles, each moving with speed u on the same horizontal straight road, are approaching each other. Wind blows along the road with velocity w. One of these vehicles blows are approaching each other. Wind blows along the road with velocity w. One of these vehicles blows each moving with speed u on the same [...]
A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/h towards a tall building which reflects the sound waves. The speed of sound in air is 320 m/s.
08
Nov
A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/h towards a tall building which reflects the sound waves. The speed of sound in air is 320 m/s. A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/h towards a tall [...]
A capacitor of capacitance C is charged to a potential V . Now it is connected to a battery of emf E as shown in figure. Based on this infotrmation, match the entries of column I with the entries of column II in the following table.
08
Nov
A capacitor of capacitance C is charged to a potential V . Now it is connected to a battery of emf E as shown in figure. Based on this infotrmation, match the entries of column I with the entries of column II in the following table. A capacitor of capacitance C is charged to a [...]
Two monatomic ideal gases 1 and 2 of molecular masses m1 and m2, respectively, are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound
08
Nov
Two monatomic ideal gases 1 and 2 of molecular masses m1 and m2, respectively, are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound are enclosed in separate containers kept at the same temperature. The ratio of the speed of sound respectively Two monatomic ideal gases 1 and [...]
Five identical capacitor plates each of area A , are arranged such that the adjacent plates are at a distance d apart. The plates are connected to a source of emf V as shows in figure. Match the following.
08
Nov
Five identical capacitor plates each of area A , are arranged such that the adjacent plates are at a distance d apart. The plates are connected to a source of emf V as shows in figure. Match the following. are arranged such that the adjacent plates are at a distance d apart. The plates are [...]
A train is moving on a straight track with speed 20 m/s. It is blowing its whistle at the frequency of 1000 Hz. The percentage change in the frequency heard by a person standing
08
Nov
A train is moving on a straight track with speed 20 m/s. It is blowing its whistle at the frequency of 1000 Hz. The percentage change in the frequency heard by a person standing A train is moving on a straight track with speed 20 m/s. It is blowing its whistle at the frequency of [...]
A simple pendulum has a time period T1 when on the earth’s surface and T2 when taken to a height R above the earth’s surface, where R is the radius of the earth. The value of T1 /T2 is:
08
Nov
A simple pendulum has a time period T1 when on the earth’s surface and T2 when taken to a height R above the earth’s surface, where R is the radius of the earth. The value of T1 /T2 is: A simple pendulum has a time period T1 when on the earth's surface and T2 [...]
A motor cycle starts from rest and accelerates along a straight path at 2 m/s^2. At the starting point of the motor cycle, there is a stationary electric siren. How far has the motor
08
Nov
A motor cycle starts from rest and accelerates along a straight path at 2 m/s^2. At the starting point of the motor cycle, there is a stationary electric siren. How far has the motor A motor cycle starts from rest and accelerates along a straight path at 2 m/s^2. At the starting point of the [...]