Physics
General
Easy
Question
What does the speedometer measure kept in motorbike ?
- Average Velocity
- Average speed
- instantaneous speed
- instantaneous Velocity
The correct answer is: instantaneous speed
Related Questions to study
physics-
A cell is connected between the points A and C of a circular conductor ABCD with O as centre and angle 
If 
and 
are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, then ratio 
is
From Biot-Savart law the magnetic field at the centre is directly proportional to the length of current carrying segment.
A cell is connected between the points A and C of a circular conductor ABCD with O as centre and angle If and are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, then ratio is
physics-General
From Biot-Savart law the magnetic field at the centre is directly proportional to the length of current carrying segment.
physics-
Current 
is flowing in conductor shaped as shown in the figure. The radius of the curved part is 
and the length of straight portion is very large. The value of the magnetic field at the centre 
will be
So, net magnetic field at the centre
Current is flowing in conductor shaped as shown in the figure. The radius of the curved part is and the length of straight portion is very large. The value of the magnetic field at the centre will be
physics-General
So, net magnetic field at the centre
physics
A body is moving in x direction with constant acceleration a Find the difference of the displacement covered by it in nth second and (n-1) th second.
A body is moving in x direction with constant acceleration a Find the difference of the displacement covered by it in nth second and (n-1) th second.
physicsGeneral
physics
A body starts its motion with zero velocity and its acceleration is 3m/s2. Find the distance travelled by it in fifth second.
A body starts its motion with zero velocity and its acceleration is 3m/s2. Find the distance travelled by it in fifth second.
physicsGeneral
physics-
Two thick wires and two thin wires, all of same material and same length, form a square in three different ways P,Q and R as shown in the figure. With correct connections shown, the magnetic field due to the current flow, at the centre of the loop will be zero in case of
In 
and 
current divides equally in two halves because of equal resistances in the two halves. Due to equal currents in two halves the magnetic field at the centre will be zero.
and current divides equally in two halves because of equal resistances in the two halves. Due to equal currents in two halves the magnetic field at the centre will be zero.Two thick wires and two thin wires, all of same material and same length, form a square in three different ways P,Q and R as shown in the figure. With correct connections shown, the magnetic field due to the current flow, at the centre of the loop will be zero in case of
physics-General
In and current divides equally in two halves because of equal resistances in the two halves. Due to equal currents in two halves the magnetic field at the centre will be zero.
and current divides equally in two halves because of equal resistances in the two halves. Due to equal currents in two halves the magnetic field at the centre will be zero.physics
Given figure shows a graph at acceleration 
time for a rectilinear motion. Find average acceleration in first 10 seconds
Given figure shows a graph at acceleration time for a rectilinear motion. Find average acceleration in first 10 seconds
physicsGeneral
physics
The motion of a particle along a straight line is described by the function .X=(3T-2)2 Calculate the acceleration after 10 s.
The motion of a particle along a straight line is described by the function .X=(3T-2)2 Calculate the acceleration after 10 s.
physicsGeneral
physics-
A long insulated copper wire is closely wound as a spiral of N turns. The spiral has inner radius a and outer radius b. The spiral lies in the 
plane and a steady current flows through the wire. The Z-component of the magnetic field at the centre of the spiral is
| 900553 |
If we take a small strip of 
at distance from centre, then number of turns in this strip would be,
Magnetic field due to this element at the centre of the coil will be
at distance from centre, then number of turns in this strip would be,Magnetic field due to this element at the centre of the coil will be
A long insulated copper wire is closely wound as a spiral of N turns. The spiral has inner radius a and outer radius b. The spiral lies in the plane and a steady current flows through the wire. The Z-component of the magnetic field at the centre of the spiral is
| 900553 |
physics-General
If we take a small strip of at distance from centre, then number of turns in this strip would be,
Magnetic field due to this element at the centre of the coil will be
at distance from centre, then number of turns in this strip would be,Magnetic field due to this element at the centre of the coil will be
biology
In angiosperms, female gametophyte is represented by
In angiosperms, female gametophyte is represented by
biologyGeneral
physics
A particle is projected vertically upwards with velocity .30 ms-1 Find the ratio of average speed and instantaneous velocity after 6s.[g=10 ms-1 ]
A particle is projected vertically upwards with velocity .30 ms-1 Find the ratio of average speed and instantaneous velocity after 6s.[g=10 ms-1 ]
physicsGeneral
Maths-
Maths-General
physics
A particle moves 4 m in the south direction. Then it moves 3 m in the west direction. The time taken by the particle is 2 second. What is the ratio between average speed and average velocity
A particle moves 4 m in the south direction. Then it moves 3 m in the west direction. The time taken by the particle is 2 second. What is the ratio between average speed and average velocity
physicsGeneral
physics-
In the adjacent figure is shown a closed path 
A long straight conductor carrying a current passes through and perpendicular to the plane of the paper. Then which of the following holds good?
A long straight conductor carrying current passes through 
then by symmetry, all points of the circular path are equivalent and hence the magnitude of magnetic field should be same at these points.
The circulation of magnetic field along the circle is
(using Ampere’s law)
passes through then by symmetry, all points of the circular path are equivalent and hence the magnitude of magnetic field should be same at these points.The circulation of magnetic field along the circle is
(using Ampere’s law)In the adjacent figure is shown a closed path A long straight conductor carrying a current passes through and perpendicular to the plane of the paper. Then which of the following holds good?
physics-General
A long straight conductor carrying current passes through then by symmetry, all points of the circular path are equivalent and hence the magnitude of magnetic field should be same at these points.
The circulation of magnetic field along the circle is
(using Ampere’s law)
passes through then by symmetry, all points of the circular path are equivalent and hence the magnitude of magnetic field should be same at these points.The circulation of magnetic field along the circle is
(using Ampere’s law)physics-
A current I enters a circular coil of radius R, branches into two parts and then recombines as shown in the circuit diagram
The resultant magnetic field at the centre of the coil is
Magnetic field a 
Magnetic field at
The resultant magnetic field at the centre
So, magnetic field become is zero.
Magnetic field at
The resultant magnetic field at the centre
So, magnetic field become is zero.
A current I enters a circular coil of radius R, branches into two parts and then recombines as shown in the circuit diagram
The resultant magnetic field at the centre of the coil is
physics-General
Magnetic field a
Magnetic field at
The resultant magnetic field at the centre
So, magnetic field become is zero.
Magnetic field at
The resultant magnetic field at the centre
So, magnetic field become is zero.
physics-
The figure shows the cross-section of a long cylindrical conductor of radius a carrying a uniformly distributed current i. The magnetic field due to current at P is
The current enclosed with in the circle
Ampere’s law
gives
or
Ampere’s law
givesor
The figure shows the cross-section of a long cylindrical conductor of radius a carrying a uniformly distributed current i. The magnetic field due to current at P is
physics-General
The current enclosed with in the circle
Ampere’s law gives
or
Ampere’s law
givesor
