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General
Easy
Question
A given mass of a gas expands from the state A to the state B by three paths 1,2 and 3 as shown in the figure If W1, W2 and W3 respectively be the work done by the gas along the three paths then
The correct answer is:
Related Questions to study
physics-
Same spring is attached with 2kg, 3kg and 1 kg blocks in three different cases as shown in figure. If and be the extensions in the spring in these three cases then
Same spring is attached with 2kg, 3kg and 1 kg blocks in three different cases as shown in figure. If and be the extensions in the spring in these three cases then
physics-General
physics-
If masses are released from the position shown in figure then time elapsed before mass m1 collides with the floor will be :
If masses are released from the position shown in figure then time elapsed before mass m1 collides with the floor will be :
physics-General
physics-
A block A of mass m is placed over a plank B of mass 2m. Plank B is placed over a smooth horizontal surface. The coefficient of friction between A and B is 0.5. Block A is given a velocity v0 towards right. Acceleration of B relative to A is
A block A of mass m is placed over a plank B of mass 2m. Plank B is placed over a smooth horizontal surface. The coefficient of friction between A and B is 0.5. Block A is given a velocity v0 towards right. Acceleration of B relative to A is
physics-General
physics-
In figure shown, both blocks are released from rest. The time to cross each other
In figure shown, both blocks are released from rest. The time to cross each other
physics-General
physics-
A block A is placed over a long rough plank B of same mass as shown in figure. The plank is placed over a smooth horizontal surface. At time t=0, block A is given a velocity v0 in horizontal direction. Let and be the velocities of A and B at time t. Then choose the correct graph between or and t
A block A is placed over a long rough plank B of same mass as shown in figure. The plank is placed over a smooth horizontal surface. At time t=0, block A is given a velocity v0 in horizontal direction. Let and be the velocities of A and B at time t. Then choose the correct graph between or and t
physics-General
physics-
Three blocks A , B and C of equal mass m are placed one over the other on a smooth horizontal ground as shown in figure. Coefficient of friction between any two blocks of A,B and C is The maximum value of mass of block D so that the blocks A, B and C move without slipping over each other is
Three blocks A , B and C of equal mass m are placed one over the other on a smooth horizontal ground as shown in figure. Coefficient of friction between any two blocks of A,B and C is The maximum value of mass of block D so that the blocks A, B and C move without slipping over each other is
physics-General
physics-
For the system shown in the figure, the acceleration of the mass m4 immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)
For the system shown in the figure, the acceleration of the mass m4 immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)
physics-General
physics-
Given . The coefficient of friction between A and B = 0.3, between B and C = 0.2 and between C, and ground, = 0.1. The least horizontal force F to start motion of any part of the system of three blocks resting upon one another as shown in figure is ( g = 10 )
Given . The coefficient of friction between A and B = 0.3, between B and C = 0.2 and between C, and ground, = 0.1. The least horizontal force F to start motion of any part of the system of three blocks resting upon one another as shown in figure is ( g = 10 )
physics-General
maths-
maths-General
maths-
is equal to:
is equal to:
maths-General
maths-
If the chord through the points whose eccentric angles are and on the ellipse =1 passes through the focus (ae, 0), then the value of tan tan = 0 is –
If the chord through the points whose eccentric angles are and on the ellipse =1 passes through the focus (ae, 0), then the value of tan tan = 0 is –
maths-General
physics-
For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T1 and T2 then
For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T1 and T2 then
physics-General
maths-
maths-General
maths-
If the chord joining two points whose eccentric angles are and cuts the major axis of an ellipse + = 1 at a distance c from the centre, then tan . tan is equal to
If the chord joining two points whose eccentric angles are and cuts the major axis of an ellipse + = 1 at a distance c from the centre, then tan . tan is equal to
maths-General
maths-
P(a cos, b sin) is any point on the ellipse + = 1 Now if this ellipse is rotated anticlockwise by 90º and P reaches then co-ordinate of are -
P(a cos, b sin) is any point on the ellipse + = 1 Now if this ellipse is rotated anticlockwise by 90º and P reaches then co-ordinate of are -
maths-General