Chemistry-
An open tank is filled with Hg upto a height of 76cm. Find the pressure at the bottom of the tank and middle of the tank. (If atmospheric pressure is 1 atm) respectively are

Chemistry-General
- 1.5 atm, 2 atm
- 1 atm, 1 atm
- 2 atm, 1.5 atm
- 2 atm, 2 atm
Answer:The correct answer is: 2 atm, 1.5 atm
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chemistry-
For one mole of a van der Waals gas when b=0 and T = 300 K, the PV vs 1/V plot is shown below. The value of ‘a’ (atmliter2 .mol–2) is

For one mole of a van der Waals gas when b=0 and T = 300 K, the PV vs 1/V plot is shown below. The value of ‘a’ (atmliter2 .mol–2) is

chemistry-General
maths-
Let
If AB is a scalar
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Let
If AB is a scalar
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The value of λ such that the system 
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The number of values of k for which the system of equations
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physics-
In the relation
P is pressure, Z is distance, k is Boltzmann constant and
is the temperature. The dimensional formula of β b will be:
In the relation
P is pressure, Z is distance, k is Boltzmann constant and
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physics-General
physics-
In the equation
The value of x is :
In the equation
The value of x is :
physics-General
physics-
A rocket is fired upwards. Its engine explodes fully is 12s. The height reached by the rocket as calculated from its velocity-time graph is

Height reached
m=66
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A rocket is fired upwards. Its engine explodes fully is 12s. The height reached by the rocket as calculated from its velocity-time graph is

physics-General
Height reached
m=66
m
physics-
Figure given shows the distance–time graph of the motion of a car. It follows from the graph that the car is

Since
which is in form 
Thus, the motion is uniformly accelerated
Thus, the motion is uniformly accelerated
Figure given shows the distance–time graph of the motion of a car. It follows from the graph that the car is

physics-General
Since
which is in form 
Thus, the motion is uniformly accelerated
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physics-
Three persons
and
of same mass travel with same speed
such that each one faces the other always. After how much time will they meet each other?

Three persons
and
of same mass travel with same speed
such that each one faces the other always. After how much time will they meet each other?

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If
and
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and
then 
If
and
are acute angles such that
and
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maths-General
maths-
If
then the value(s) of
is are
If
then the value(s) of
is are
maths-General
maths-
If then
If then
maths-General
physics-
From a high tower at time
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will be as
physics-General
maths-
If
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maths-
Let M and N be two 3×3 non- singular symmetric matrices such that MN
NM .If
denotes the transpose of the matrix P, then
is equal to

Let M and N be two 3×3 non- singular symmetric matrices such that MN
NM .If
denotes the transpose of the matrix P, then
is equal to
maths-General
