Physics-
General
Easy
Question
A constant force 
is applied on a uniform elastic string placed over a smooth horizontal surface as shown in figure. Youngs modulus of string is Y and cross - sectional area of string is S. The strain produced in the string in the direction of force is
The correct answer is:
Related Questions to study
Chemistry-
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures 
and 
:
The curve has which of the following characteristics?
i) It has symmetrical distribution of molecules against molecular velocity,
ii) The area under the curve gives the total number of molecules,
iii) The maximum of the curve shifts towards right as the temperature is raised.
iv) The area under the curve is independent of temperature,
Select the correct statements from the codes given below:
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
The curve has which of the following characteristics?
i) It has symmetrical distribution of molecules against molecular velocity,
ii) The area under the curve gives the total number of molecules,
iii) The maximum of the curve shifts towards right as the temperature is raised.
iv) The area under the curve is independent of temperature,
Select the correct statements from the codes given below:
Chemistry-General
Chemistry-
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
Select the correct statement(s):
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
Select the correct statement(s):
Chemistry-General
Chemistry-
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
Total area under the curve at is:
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
Total area under the curve at is:
Chemistry-General
Chemistry-
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
Relation between and is:
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
Relation between and is:
Chemistry-General
Chemistry-
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
The point Q refers to:
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
The point Q refers to:
Chemistry-General
Chemistry-
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
The shaded area represents:
The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
The shaded area represents:
Chemistry-General
Chemistry-
.The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
In the above graph the point 'P' refers to:
.The gas molecules randomly move in all directions and collide with each other and with the wall of the container. It is difficult to determine the speed of an individual molecule but it has become possible to work out the distribution of molecules among different molecular speeds. This is known as Maxwell Boltzmann distribution. Consider the following graph about Maxwell's distribution of speeds at two different temperatures and :
In the above graph the point 'P' refers to:
Chemistry-General
Chemistry-
A gas jar of 10 liter volume filled with 
at 300 K is connected to glycerine manometer. The manometer shows 5 m difference in the level as shown in figure. What will be the . number of moles of in the gas jar ? (Give dglycerine = 2.72 g/mL; d mercury 13.6 g/mL}
A gas jar of 10 liter volume filled with at 300 K is connected to glycerine manometer. The manometer shows 5 m difference in the level as shown in figure. What will be the . number of moles of in the gas jar ? (Give dglycerine = 2.72 g/mL; d mercury 13.6 g/mL}
Chemistry-General
Chemistry-
Two balloons A and B are taken at 300K. Maximum capacity of balloon A and balloon Bare 800 mL and 1800 mL respectively. When the balloon system is heated; which one will burst first?
Two balloons A and B are taken at 300K. Maximum capacity of balloon A and balloon Bare 800 mL and 1800 mL respectively. When the balloon system is heated; which one will burst first?
Chemistry-General
Chemistry-
Two gas bulbs are connected by a thin tube. Calculate the partial pressure of helium after the connective valve is opened at a constant temperature of 
:
Two gas bulbs are connected by a thin tube. Calculate the partial pressure of helium after the connective valve is opened at a constant temperature of :
Chemistry-General
Physics-
Two rods P and Q of different metals having the same area A and the same length L are placed between two rigid walls as shown in fig. The coefficients of linear expansion of P and Q are 
and 
respectively and their Young's moduli are 
and 
. The temperature of both rods is now raised by T degrees.
The force exerted by one rod on the other is
Two rods P and Q of different metals having the same area A and the same length L are placed between two rigid walls as shown in fig. The coefficients of linear expansion of P and Q are and respectively and their Young's moduli are and . The temperature of both rods is now raised by T degrees.
The force exerted by one rod on the other is
Physics-General
Physics-
Two wires A and B of same length are made of same material. The figure represents the load F versus extension 
graph for the two wires. Then
Two wires A and B of same length are made of same material. The figure represents the load F versus extension graph for the two wires. Then
Physics-General
Physics-
A wire suspended vertically from one of the ends is stretched by attaching a weight of 200 N to the lower end. If the weight stretches the wire by 1 mm. The elastic energy stored in the wire is :
A wire suspended vertically from one of the ends is stretched by attaching a weight of 200 N to the lower end. If the weight stretches the wire by 1 mm. The elastic energy stored in the wire is :
Physics-General
Physics-
The young’s modulus of the material of a rod is 
pascal. When the longitudinal strain is 0.04%, The energy stored per unit volume is
The young’s modulus of the material of a rod is pascal. When the longitudinal strain is 0.04%, The energy stored per unit volume is
Physics-General
Physics-
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at 
. A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes 
. The final volume of left chamber is
One mole of a monoatomic ideal gas occupies two chambers of a cylinder partitioned by means of a movable piston. The walls of the cylinder as well as the piston are thermal insulators. Initially equal amounts of gas fill both the chambers at . A coil is burnt in the left chamber which absorbs heat and expands, pushing the piston to the right. The gas on the right chamber is compressed until to pressure becomes . The final volume of left chamber is
Physics-General
