Physics-
General
Easy
Question
The displacement-time graphs of two moving particles make angles of 
with the 
axis. The ratio of their velocities is
The correct answer is:
Slope of displacement time-graph is velocity
Related Questions to study
Maths-
The minimum and maximum values of 
3x are
As we know, if f(x)=a sin x+ b cos x
Then, range of f(x)
As f(x)= 8 cos 3x - 15 sin 3x
So, range of f(x)
Then, range of f(x)
As f(x)= 8 cos 3x - 15 sin 3x
So, range of f(x)
The minimum and maximum values of 3x are
Maths-General
As we know, if f(x)=a sin x+ b cos x
Then, range of f(x)
As f(x)= 8 cos 3x - 15 sin 3x
So, range of f(x)
Then, range of f(x)
As f(x)= 8 cos 3x - 15 sin 3x
So, range of f(x)
Physics-
The graph between the displacement 
and 
for a particle moving in a straight line is shown in figure. During the interval 
and 
the acceleration of the particle is
, 
Region 
shows that graph bending toward time axis 
acceleration is negative.
Region
shows that graph is parallel to time axis 
velocity is zero. Hence acceleration is zero.
Region
shows that graph is bending towards displacement axis acceleration is positive.
Region
shows that graph having constant slope velocity is constant. Hence acceleration is zero
shows that graph bending toward time axis acceleration is negative.Region
shows that graph is parallel to time axis velocity is zero. Hence acceleration is zero.Region
shows that graph is bending towards displacement axis acceleration is positive.Region
shows that graph having constant slope velocity is constant. Hence acceleration is zeroThe graph between the displacement and for a particle moving in a straight line is shown in figure. During the interval and the acceleration of the particle is
,
Physics-General
Region shows that graph bending toward time axis acceleration is negative.
Region shows that graph is parallel to time axis velocity is zero. Hence acceleration is zero.
Region shows that graph is bending towards displacement axis acceleration is positive.
Regionshows that graph having constant slope velocity is constant. Hence acceleration is zero
shows that graph bending toward time axis acceleration is negative.Region
shows that graph is parallel to time axis velocity is zero. Hence acceleration is zero.Region
shows that graph is bending towards displacement axis acceleration is positive.Region
shows that graph having constant slope velocity is constant. Hence acceleration is zeroMaths-
Extreme Values:The range of 
Extreme Values:The range of
Maths-General
physics-
What is the equivalent resistance between 
in the given circuit?
and 
are in series
are in parallel
and 
are in series
and 
are in parallel
and 
are in series
Now,
and 
are in parallel
What is the equivalent resistance between in the given circuit?
physics-General
and are in series are in paralleland are in series and are in parallel and are in seriesNow,
and are in parallelphysics-
The current in the 1
resistor shown in the circuit is
In the given circuit 4 resistors are connected in parallel, this combination is connected in series with 1 resistance.
Also, R’’=2 +1 =3
From Ohm’s law,
resistors are connected in parallel, this combination is connected in series with 1 resistance.Also, R’’=2
+1 =3From Ohm’s law,
The current in the 1 resistor shown in the circuit is
physics-General
In the given circuit 4 resistors are connected in parallel, this combination is connected in series with 1 resistance.
Also, R’’=2 +1 =3
From Ohm’s law,
resistors are connected in parallel, this combination is connected in series with 1 resistance.Also, R’’=2
+1 =3From Ohm’s law,
physics-
The current in the 1 resistor shown in the circuit is
In the given circuit 4 resistors are connected in parallel, this combination is connected in series with 1 resistance.
Also, R’’=2 +1 =3
From Ohm’s law,
resistors are connected in parallel, this combination is connected in series with 1 resistance.Also, R’’=2
+1 =3From Ohm’s law,
The current in the 1 resistor shown in the circuit is
physics-General
In the given circuit 4 resistors are connected in parallel, this combination is connected in series with 1 resistance.
Also, R’’=2 +1 =3
From Ohm’s law,
resistors are connected in parallel, this combination is connected in series with 1 resistance.Also, R’’=2
+1 =3From Ohm’s law,
physics-
The total current supplied to the given circuit by the battery is
The equivalent circuit of the given circuit is as shown
Resistances 6 and 2 are in parallel
Resistances
Resistances 3 and 3 are in parallel
The current,
Resistances 6
and 2 are in parallelResistances
Resistances 3
and 3 are in parallelThe current,
The total current supplied to the given circuit by the battery is
physics-General
The equivalent circuit of the given circuit is as shown
Resistances 6 and 2 are in parallel
Resistances
Resistances 3 and 3 are in parallel
The current,
Resistances 6
and 2 are in parallelResistances
Resistances 3
and 3 are in parallelThe current,
physics-
A current of 2A flows in an electric circuit as shown in figure. The potential difference
, in volts( 
are potentials at R and S respectively) is
Current through each arm
PRQ and PSQ=1A
From Eqs. (i) and (ii), we get
PRQ and PSQ=1A
From Eqs. (i) and (ii), we get
A current of 2A flows in an electric circuit as shown in figure. The potential difference, in volts( are potentials at R and S respectively) is
physics-General
Current through each arm
PRQ and PSQ=1A
From Eqs. (i) and (ii), we get
PRQ and PSQ=1A
From Eqs. (i) and (ii), we get
physics-
A 3 V battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be
Resistance in the arms AC and BC are in series,
∴ R’=3+3=6
Now, R’ and 3 are in parallel,
Now, V=IR
∴ R’=3+3=6
Now, R’ and 3
are in parallel,Now, V=IR
A 3 V battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be
physics-General
Resistance in the arms AC and BC are in series,
∴ R’=3+3=6
Now, R’ and 3 are in parallel,
Now, V=IR
∴ R’=3+3=6
Now, R’ and 3
are in parallel,Now, V=IR
physics-
The equivalent resistance between the points A and B will be (each resistance is
15 )
The circuit can be shown as given below
The equivalent resistance between D and C.
Now, between A and B, the resistance of upper part ADCB,
Between A and B, the resistance of middle part AOB
Therefore, equivalent resistance between A and B
The equivalent resistance between D and C.
Now, between A and B, the resistance of upper part ADCB,
Between A and B, the resistance of middle part AOB
Therefore, equivalent resistance between A and B
The equivalent resistance between the points A and B will be (each resistance is
15 )
physics-General
The circuit can be shown as given below
The equivalent resistance between D and C.
Now, between A and B, the resistance of upper part ADCB,
Between A and B, the resistance of middle part AOB
Therefore, equivalent resistance between A and B
The equivalent resistance between D and C.
Now, between A and B, the resistance of upper part ADCB,
Between A and B, the resistance of middle part AOB
Therefore, equivalent resistance between A and B
physics-
There resistances of 4
each are connected as shown in figure. If the point D divides the resistance into two equal halves, the resistance between points A and D will be
The equivalent circuit is given by
4 and 2 resistances are in series on both sides.
Then 6 and6 resistances are in parallel on both sides
R=3
4
and 2 resistances are in series on both sides.Then 6
and6 resistances are in parallel on both sidesR=3
There resistances of 4 each are connected as shown in figure. If the point D divides the resistance into two equal halves, the resistance between points A and D will be
physics-General
The equivalent circuit is given by
4 and 2 resistances are in series on both sides.
Then 6 and6 resistances are in parallel on both sides
R=3
4
and 2 resistances are in series on both sides.Then 6
and6 resistances are in parallel on both sidesR=3
physics-
A particle starts from rest at 
and moves in a straight line with an acceleration as shown below. The velocity of the particle at 
is
Velocity of graph 
Area of
- graph
Area of- graphA particle starts from rest at and moves in a straight line with an acceleration as shown below. The velocity of the particle at is
physics-General
Velocity of graph Area of- graph
Area of- graphmaths-
Period of 
is
Period of is
maths-General
Maths-
Period of 
Period of
Maths-General
physics-
In a network as shown in the figure, the potential difference across the resistance 2R is (the cell has an emf of E volt and has no ingternal resistance)
In the given circuit, resistors 4R and 2R are connected in parallel while resistance R is connected in series to it.
Hence, equivalent resistance is
Given, emf is E volts, therefore
Potential difference across R is
Potential difference across 2R is
Hence, equivalent resistance is
Given, emf is E volts, therefore
Potential difference across R is
Potential difference across 2R is
In a network as shown in the figure, the potential difference across the resistance 2R is (the cell has an emf of E volt and has no ingternal resistance)
physics-General
In the given circuit, resistors 4R and 2R are connected in parallel while resistance R is connected in series to it.
Hence, equivalent resistance is
Given, emf is E volts, therefore
Potential difference across R is
Potential difference across 2R is
Hence, equivalent resistance is
Given, emf is E volts, therefore
Potential difference across R is
Potential difference across 2R is
