Maths-
General
Easy
Question
The area bounded by y=cos x, y=x+1 and y=0 in the second quadrant is

- 3/2 sq units
- 2 sq units
- 1 sq unit
- 1/2 sq units
The correct answer is: 1/2 sq units
Related Questions to study
physics-
A
joint is formed by two identical rods
and
each of mass
and length
in the
plane as shown. Its moment of inertia about axis coinciding with
is

A
joint is formed by two identical rods
and
each of mass
and length
in the
plane as shown. Its moment of inertia about axis coinciding with
is

physics-General
Maths-
The area bounded by the parabola
=4ay, x-axis and the straight-line y=2a is

The area bounded by the parabola
=4ay, x-axis and the straight-line y=2a is
Maths-General

physics-
Four balls each of radius 10 cm and mass 1 kg, 2kg, 3 kg and 4 kg are attached to the periphery of massless plate of radius 1 m. What is moment of inertia of the system about the centre of plate?

Moment of inertia of the system about the centre of plane is given by






Four balls each of radius 10 cm and mass 1 kg, 2kg, 3 kg and 4 kg are attached to the periphery of massless plate of radius 1 m. What is moment of inertia of the system about the centre of plate?

physics-General
Moment of inertia of the system about the centre of plane is given by






physics-
For the given uniform square lamina
, whose centre is 

Let the each side of square lamina is
.
So,
(due to symmetry)
And
(due to symmetry)
Now, according to theorem of perpendicular axis,


(i)
and
(ii)
From Eqs. (i) and (ii), we get



So,
So,
And
Now, according to theorem of perpendicular axis,

and
From Eqs. (i) and (ii), we get
So,
For the given uniform square lamina
, whose centre is 

physics-General
Let the each side of square lamina is
.
So,
(due to symmetry)
And
(due to symmetry)
Now, according to theorem of perpendicular axis,


(i)
and
(ii)
From Eqs. (i) and (ii), we get



So,
So,
And
Now, according to theorem of perpendicular axis,

and
From Eqs. (i) and (ii), we get
So,
chemistry-
Which is correct about the change given below

Which is correct about the change given below

chemistry-General
chemistry-
Identify Z in the reaction 

Identify Z in the reaction 
chemistry-General

chemistry-
X and Y are respectively
X and Y are respectively
chemistry-General
chemistry-
The product A is
The product A is
chemistry-General
chemistry-
Y is

Y is
chemistry-General

chemistry-
For which of the following molecule significant m ¹ 0
I) 
II) 
III) 
IV) 
-OH and -SH groups do not cancel their dipole moment
For which of the following molecule significant m ¹ 0
I) 
II) 
III) 
IV) 
chemistry-General
-OH and -SH groups do not cancel their dipole moment
chemistry-
Which one of the following will be the major product when

Is treated with dilute H2SO4 in the presence of HgSO4

Which one of the following will be the major product when

Is treated with dilute H2SO4 in the presence of HgSO4
chemistry-General

chemistry-
The appropriate reagent (s) for the transformation
is / are
Transformation of C = O group into CH2 in the presence of Zn + Hg is called Clemmensen’s reduction and in the presence of NH2 - NH2/OH- is called Wolf-Kishner Reduction
The appropriate reagent (s) for the transformation
is / are
chemistry-General
Transformation of C = O group into CH2 in the presence of Zn + Hg is called Clemmensen’s reduction and in the presence of NH2 - NH2/OH- is called Wolf-Kishner Reduction
chemistry-
The most suitable reagent of r the conversion of RCH2OH → RCHO is
Refer to Comprehensive Review
The most suitable reagent of r the conversion of RCH2OH → RCHO is
chemistry-General
Refer to Comprehensive Review
chemistry-
Which alkali metal floats over cold water without any reaction?
4, Na, k all are less denses them water among these first group Li is very less reactive
Which alkali metal floats over cold water without any reaction?
chemistry-General
4, Na, k all are less denses them water among these first group Li is very less reactive
physics-
The radius of germanium (
) nuclide is measured to be twice the radius of
. The number of nucleons in Ge are
Let radius of
nucleus be
. Then radius of germanium (Ge) nucleus will be
.
Radius ofnucleus is given by




Hence,
Thus, in germanium (
) nucleus number of nucleons is 72.
Radius ofnucleus is given by
Hence,
Thus, in germanium (
The radius of germanium (
) nuclide is measured to be twice the radius of
. The number of nucleons in Ge are
physics-General
Let radius of
nucleus be
. Then radius of germanium (Ge) nucleus will be
.
Radius ofnucleus is given by




Hence,
Thus, in germanium (
) nucleus number of nucleons is 72.
Radius ofnucleus is given by
Hence,
Thus, in germanium (