Maths-
The area bounded by
, Y-axis and the line y=e is
Maths-General
- e
- 1
- 2
Answer:The correct answer is: 1
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physics-
The velocity-time graph of a body moving in a straight line is shown in the figure. The displacement and distance travelled by the body in
are respectively

Displacement = Summation of all the area with sign



Distance = Summation of all the areas without sign



Distance = Summation of all the areas without sign
The velocity-time graph of a body moving in a straight line is shown in the figure. The displacement and distance travelled by the body in
are respectively

physics-General
Displacement = Summation of all the area with sign



Distance = Summation of all the areas without sign



Distance = Summation of all the areas without sign
maths-
If
then the general value of 'α ' is
If
then the general value of 'α ' is
maths-General
maths-
The parabolas
divide the square region bounded by the lines x=4, y=4 and the co-ordinate axes. If
are respectively the areas of these parts numbered from top to bottom then
is
The parabolas
divide the square region bounded by the lines x=4, y=4 and the co-ordinate axes. If
are respectively the areas of these parts numbered from top to bottom then
is
maths-General
physics-
A particle shows distance-time curve as given in this figure. The maximum instantaneous velocity of the particle is around the point

Instantaneous velocity is given by the slope of the curve at that instant
from the figure it is clear that slope of the curve is maximum at point ‘
’
A particle shows distance-time curve as given in this figure. The maximum instantaneous velocity of the particle is around the point

physics-General
Instantaneous velocity is given by the slope of the curve at that instant
from the figure it is clear that slope of the curve is maximum at point ‘
’
physics-
A particle moves along the sides
of a square of side
wuth a velocity of
. Its average velocity is

Average velocity =
A particle moves along the sides
of a square of side
wuth a velocity of
. Its average velocity is

physics-General
Average velocity =
physics-
Velocity-time
-
graph for a moving object is shown in the figure. Total displacement of the object during the same interval when there is non-zero acceleration and retardation is

Between time interval
to
, there is non-zero acceleration and retardation. Hence distance travelled during this interval
Area between time interval
to 

Velocity-time
-
graph for a moving object is shown in the figure. Total displacement of the object during the same interval when there is non-zero acceleration and retardation is

physics-General
Between time interval
to
, there is non-zero acceleration and retardation. Hence distance travelled during this interval
Area between time interval
to 

physics-
The figure shows a double slit experiment P and Q are the slits. The path lengths PX and QX are
and
respectively, where n is a whole number and
is the wavelength. Taking the central fringe as zero, what is formed at X

For brightness, path difference 
So second is bright.
So second is bright.
The figure shows a double slit experiment P and Q are the slits. The path lengths PX and QX are
and
respectively, where n is a whole number and
is the wavelength. Taking the central fringe as zero, what is formed at X

physics-General
For brightness, path difference 
So second is bright.
So second is bright.
maths-
A) Area bounded by = 2 and coordinate axes
B) Area bounded by
and 
C) Area bounded by
between x=0,x=1,x- axis
D) Area bounded by
and y=2x Arrange the above statements in the ascending order of areas.
A) Area bounded by = 2 and coordinate axes
B) Area bounded by
and 
C) Area bounded by
between x=0,x=1,x- axis
D) Area bounded by
and y=2x Arrange the above statements in the ascending order of areas.
maths-General
maths-
If
and
, then the possible values of χ between
and
are
If
and
, then the possible values of χ between
and
are
maths-General
physics-
Figure shows the acceleration-time graphs of a particle. Which of the following represents the corresponding velocity-time graphs?

Since acceleration is constant, therefore there is uniform increase in velocity. So, the
graph is a straight line slopping upward to the right. When acceleration becomes zero, velocity is constant. So
graph is a straight line parallel to the time-axis.
Figure shows the acceleration-time graphs of a particle. Which of the following represents the corresponding velocity-time graphs?

physics-General
Since acceleration is constant, therefore there is uniform increase in velocity. So, the
graph is a straight line slopping upward to the right. When acceleration becomes zero, velocity is constant. So
graph is a straight line parallel to the time-axis.
maths-
If
then
= ---
If
then
= ---
maths-General
physics-
A particle starts from rest at
and undergoes an acceleration a in
with time
in seconds which is as shown Which one of the following plot represents velocity
in
versus time
in seconds


Takingthe motion from
Taking the motion from
A particle starts from rest at
and undergoes an acceleration a in
with time
in seconds which is as shown Which one of the following plot represents velocity
in
versus time
in seconds

physics-General

Takingthe motion from
Taking the motion from
physics-
In Young’s experiment, monochromatic light is used to illuminate the two slits A and B. Interference fringes are observed on a screen placed in front of the slits. Now if a thin glass plate is placed normally in the path of the beam coming from the slit

In the presence of thin glass plate, the fringe pattern shifts, but no change in fringe width.
In Young’s experiment, monochromatic light is used to illuminate the two slits A and B. Interference fringes are observed on a screen placed in front of the slits. Now if a thin glass plate is placed normally in the path of the beam coming from the slit

physics-General
In the presence of thin glass plate, the fringe pattern shifts, but no change in fringe width.
physics-
An engine is moving on a circular track with a constant speed. It is blowing a whistle of frequency
The frequency received by an observer standing stationary at the centre of the track is

Since there is no relative motion between the source and listener, so apparent frequency equals original frequency
An engine is moving on a circular track with a constant speed. It is blowing a whistle of frequency
The frequency received by an observer standing stationary at the centre of the track is

physics-General
Since there is no relative motion between the source and listener, so apparent frequency equals original frequency
physics-
A particle starts from rest. Its acceleration
time
is as shown in the figure. The maximum speed of the particle will be

Area under acceleration-time graph gives the change in velocity. Hence,

Therefore, the correct option is [b].
Therefore, the correct option is [b].
A particle starts from rest. Its acceleration
time
is as shown in the figure. The maximum speed of the particle will be

physics-General
Area under acceleration-time graph gives the change in velocity. Hence,

Therefore, the correct option is [b].
Therefore, the correct option is [b].