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A stone of mass m is tied to a string and is moved in a vertical circle of radius r. The difference in tension at the lowest point and the highest point is. A stone of mass m is tied to a string and is moved in a vertical circle of radius r. The difference [...]

A body of mass 1kg is moving in a vertical circular path of radius 1m. The difference between the kinetic energies at its highest and lowest positions is : A body of mass 1kg is moving in a vertical circular path of radius 1m. The difference between the kinetic energies at its highest and lowest [...]

An object is tied to a string and rotated in a vertical circle of radius r. Constant speed is maintained along the trajectory. If Tmax/Tmin = 2, then v^2/rg is An object is tied to a string and rotated in a vertical circle of radius r. Constant speed is maintained along the trajectory. If Tmax/Tmin [...]

The velocity of a body moving in a vertical circle of radius r is 7gr−−−√ at the lowest point of the circle. What is the ratio of maximum and minimum tension? The velocity of a body moving in a vertical circle of radius r is 7gr−−−√ at the lowest point of the circle. What is [...]

The value of gama = Cp/Cv is 4/3 for an adiabatic process of an ideal gas for which internal energy U = K + nPV. The value of n (K is a constant) is The value of gama = Cp/Cv is 4/3 for an adiabatic process of an ideal gas for which internal energy U [...]

If P-V diagram of a diatomic gas is plotted, it is a straight line passing through origin. The molar heat capacity of the gas in the process is nR where n is an integer. The value of n is If P-V diagram of a diatomic gas is plotted it is a straight line passing through [...]

A concave mirror forms on a screen a real image of thrice the linear dimensions of the object. Object and screen are moved until the image is twice the size of the object. If the shift of the object is 6 cm then find the shift of the screen and the focal length of the [...]

A vessel of volume 0.2 m^3 contains hydrogen gas at temperature 300 K and pressure 1 bar. The molar heat capacity of hydrogen at constant volume is 5 cal/mol K. The heat A vessel of volume 0.2 m^3 contains hydrogen gas at temperature 300 K and pressure 1 bar. The molar heat capacity of hydrogen [...]

A vessel contains helium, which expands at constant pressure when 15 kJ of heat is supplied to it. The variation of the internal energy of the gas ( in kJ) will be A vessel contains helium which expands at constant pressure when 15 kJ of heat is supplied to it. The variation of the internal [...]

A square wire of side 3.0 cm is placed 25 cm in front of a concave mirror of focal length 10 cm with Its center on the axis of the mirror and its plane normal to the axis. The area enclosed by the image of the wire is A concave mirror has focal length 15 [...]