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 ‘
’
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 ‘’
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
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
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.
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.
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
to 
Taking the motion from
to 
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
to Taking the motion from
to 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].