Maths-
is a function defined by 
Maths-General
- one-one and onto
- one-one but not onto
- onto but not one-one
- neither one-one nor onto
Answer:The correct answer is: neither one-one nor onto
Book A Free Demo

Grade*
Select Grade
Related Questions to study
maths-
If
defined by 
If
defined by 
maths-General
physics
An impulsive force of 100 N acts on a body for 1 sec What is the change in its linear momentum ?
An impulsive force of 100 N acts on a body for 1 sec What is the change in its linear momentum ?
physicsGeneral
physics
A block B. placed on a horizontal surface is pulled with initial velocity V. If the coefficient of kinetic friction between surface and block is µ . than after bons much time, block will come to rest ?
A block B. placed on a horizontal surface is pulled with initial velocity V. If the coefficient of kinetic friction between surface and block is µ . than after bons much time, block will come to rest ?
physicsGeneral
physics
As shown in figure a block of mass m is attached with a cart. If the coefficient of static friction between the surface of cart and block is µ than what would be accelcration a of cart to prevent the falling of block ?

As shown in figure a block of mass m is attached with a cart. If the coefficient of static friction between the surface of cart and block is µ than what would be accelcration a of cart to prevent the falling of block ?

physicsGeneral
physics
A Particle of mass m is at rest at t=0 The force exerting on it in x-direction is F(t)=Fae-k. Which one of the following graph is of speed
A Particle of mass m is at rest at t=0 The force exerting on it in x-direction is F(t)=Fae-k. Which one of the following graph is of speed
physicsGeneral
physics
A branch of physics dealing with motion without considering its causes is known as ....
A branch of physics dealing with motion without considering its causes is known as ....
physicsGeneral
physics
Mechanics is a branch of physics. This branch is ...
Mechanics is a branch of physics. This branch is ...
physicsGeneral
physics
To locate the position of the particle we need
To locate the position of the particle we need
physicsGeneral
physics
Frame of reference is a ... and a ···.. from where an observer takes his observation,
Frame of reference is a ... and a ···.. from where an observer takes his observation,
physicsGeneral
physics
As shown in the figure a particle moves from. 0 to A, and then A to B. Find pathlength and displacement.

As shown in the figure a particle moves from. 0 to A, and then A to B. Find pathlength and displacement.

physicsGeneral
maths-
maths-General
maths-
If
then det A=
If
then det A=
maths-General
physics
A particle moves from A to B and then it moves from to as shown in figure. Calculate the ratio between path length and displacement.

A particle moves from A to B and then it moves from to as shown in figure. Calculate the ratio between path length and displacement.

physicsGeneral
physics-
Which of the following relations is true
Which of the following relations is true
physics-General
physics-
The following data were obtained when a wire was stretched within the elastic region Force applied to wire 100 N
Area of cross-section of wire 
Extensional of wire 
Which of the following deductions can be correctly made from this data?
I. The value of Young’s Modulus is 
II. The strain is 
III. The energy stored in the wire when the load is applied is 10 J
Stress = 
Strain
Young modulus
=
Energy stored =
= 10
1H = 0.1J
Strain
Young modulus
=
Energy stored =
= 10
The following data were obtained when a wire was stretched within the elastic region Force applied to wire 100 N
Area of cross-section of wire 
Extensional of wire 
Which of the following deductions can be correctly made from this data?
I. The value of Young’s Modulus is 
II. The strain is 
III. The energy stored in the wire when the load is applied is 10 J
physics-General
Stress = 
Strain
Young modulus
=
Energy stored =
= 10
1H = 0.1J
Strain
Young modulus
=
Energy stored =
= 10