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Find the area bounded by the curve y^2 = 8x, x – axis and the lines x = 0, x = 2
asked
Jan 6, 2018
in
Class 12
by
kratos
class-12
definite integral
+1
vote
0
answers
Obtain Einstein’* photoelectric equation with necessary explanation. Einstein’* explanation of photoelectric equation:
asked
Jan 6, 2018
in
JEE
by
kratos
photoelectric effect
cbse
jee
dual nature of radiation and matter
jee mains
class-12
+1
vote
0
answers
(i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37
asked
Jan 6, 2018
in
Class 12
by
kratos
a three wheeled revolution
class-7
simple equation
class-12
+1
vote
0
answers
1. State the Avogadro law.
asked
Jan 6, 2018
in
Class 11
by
kratos
classification of elements and periodicity in properties
class-11
states of matter
cbse
+3
votes
0
answers
The gradient at any point (x, y) of a curve is 3x^2 – 12 and the curve through the point (2, -7).
asked
Jan 6, 2018
in
Class 12
by
kratos
application of derivatives
class-12
+3
votes
0
answers
Calculate the bond enthalpy of OH bond in water.
asked
Jan 6, 2018
in
Class 11
by
kratos
class-11
chemical bonding
+2
votes
0
answers
Maximise Z = 8x + 9y subject to the constraints given below : 2x + 3y ≤ 6;
asked
Jan 6, 2018
in
Class 12
by
kratos
linear programming
class-12
+2
votes
0
answers
Obtain the equations for constructive and destructive interference for transmitted and reflected waves in thin films.
asked
Jan 6, 2018
in
JEE
by
kratos
cbse
jee
optics
jee mains
nature of light
class-12
+3
votes
0
answers
The displacement vector of a particle of mass m is given by r(t) = i A cos wt + j B sin wt. u200b
asked
Jan 6, 2018
in
Class 11
by
kratos
class-11
laws of motion
units and measurements
+1
vote
0
answers
If ‘p’ be the length of the perpendicular drawn from the vertex of a regular tetrahedron to its opposite face and each edge is of length 2a,
asked
Jan 6, 2018
in
Class 10
by
kratos
volume and surface area of solids
class-10
+1
vote
0
answers
If vector a and b are mutually perpendicular unit vectors, write the value of |a| |b|.
asked
Jan 6, 2018
in
Class 12
by
kratos
scalar or dot products
vector
class-12
+1
vote
0
answers
Mira’* expenditure and savings are in the ratio 3 : 2. Her income increases by 10%. Her expenditure also increases by 12%.
asked
Jan 5, 2018
by
kratos
class-8
percentage and its applications
+3
votes
0
answers
Draw a pie diagram of the areas of continents of the world given in the following table :
asked
Jan 5, 2018
by
kratos
class-8
data handling
+1
vote
0
answers
An ideal diode and a 5 Ω resistor are connected in series with a 15 V power supply as shown in figure below.
asked
Jan 5, 2018
in
JEE
by
kratos
semiconductor electronics
jee
jee mains
alternating current
class-12
current electricity
+2
votes
0
answers
The microphone converts audio frequency sound into electrical signal of 5mV and is connected
asked
Jan 5, 2018
in
Class 12
by
kratos
transistor amplifiers
class-12
+3
votes
0
answers
The volume of a cube is increasing at the rate of 9 cm^3 /*. How fast is its surface area increasing when the length of an edge is 10 cm?
asked
Jan 5, 2018
in
Class 12
by
kratos
applications of derivatives
class-12
rate of change of bodies
cbse
+2
votes
0
answers
A piggy bank contains hundred 50 paise coins, fifty Rs.1 coins, twenty Rs.2 coins and ten Rs.5 coins.
asked
Jan 5, 2018
in
Class 10
by
kratos
class-7
class-10
probability
cbse
+3
votes
0
answers
The vertices A and B of an equilateral triangle of side a have same charge q. Calculate the electric field at point C of the triangle.
asked
Jan 5, 2018
in
JEE
by
kratos
irodov
electrodynamics
jee
jee mains
electric fields
+2
votes
0
answers
The volume of a cuboidal box is 48 cm^3. If its height and length are 3 cm and 4 cm respectively, find its breadth.
asked
Jan 5, 2018
by
kratos
class-8
mensuration
surface areas and volumes of cuboid and cube
+1
vote
0
answers
Analyze the given graph which represents the population growth curve.
asked
Jan 5, 2018
in
Class 12
by
kratos
organisms and populations
class-12
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