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A metre stick swinging in vertical plane about a fixed horizontal axis passing through its one end undergoes small oscillation of frequency f0. If the bottom half of the stick were but off, then its new frequency of small oscillation would become.
28
Oct
A metre stick swinging in vertical plane about a fixed horizontal axis passing through its one end undergoes small oscillation of frequency f0. If the bottom half of the stick were but off, then its new frequency of small oscillation would become. A metre stick swinging in vertical plane about a fixed horizontal axis passing [...]
The P-V diagram of a system undergoing thermodynamic transformation is shown in the given figure. The work done on the system is going from A to B to C is 50 J and 20 cal
28
Oct
The P-V diagram of a system undergoing thermodynamic transformation is shown in the given figure. The work done on the system is going from A to B to C is 50 J and 20 cal The P-V diagram of a system undergoing thermodynamic transformation is shown in the given figure. The work done on the [...]
An ideal gas of mass m in a state A to another state B via three different processes as shown in the given figure. If Q1, Q2 and Q3 denote the heat absorbed by the gas along
28
Oct
An ideal gas of mass m in a state A to another state B via three different processes as shown in the given figure. If Q1, Q2 and Q3 denote the heat absorbed by the gas along An ideal gas of mass m in a state A to another state B via three different processes [...]
A cork floating on the pond water executes a simple harmonic motion, moving up and down over a range of 4 cm. The time period of the motion is 1s. at t=0, the cork is at its lowest position of oscillation, the position and velocity of the cork at t=10.5s, would be
28
Oct
A cork floating on the pond water executes a simple harmonic motion, moving up and down over a range of 4 cm. The time period of the motion is 1s. at t=0, the cork is at its lowest position of oscillation, the position and velocity of the cork at t=10.5s, would be A cork floating [...]
Four curves A, B, C and D are drawn in the given figure for a given amount of gas. The curves which represent adiabatic and isothermal change are
28
Oct
Four curves A, B, C and D are drawn in the given figure for a given amount of gas. The curves which represent adiabatic and isothermal change are B C and D are drawn in the given figure for a given amount of gas. The curves which represent adiabatic and isothermal change are Four curves [...]
A uniform semicircular ring having mass m and radius r is hanging at one of its ends freely as shown if Fig. The ring is slightly disturbed so the it oscillates in its own plane. The time period of oscillation of the ring is
28
Oct
A uniform semicircular ring having mass m and radius r is hanging at one of its ends freely as shown if Fig. The ring is slightly disturbed so the it oscillates in its own plane. The time period of oscillation of the ring is The string of a simple pendulum replaced by a uniform rod [...]
A gas is expanded from volume V0 to 2V0 under three different processes. Process 1 is isobaric process, process 2 is isothermal process and process 3 is adiabatic. Let delta U1,
28
Oct
A gas is expanded from volume V0 to 2V0 under three different processes. Process 1 is isobaric process, process 2 is isothermal process and process 3 is adiabatic. Let delta U1, A gas is expanded from volume V0 to 2V0 under three different processes. Process 1 is isobaric process process 2 is isothermal process and [...]
Refrigerator A works between -10 C and + 27 C while refrigerator B works between -20 C and +17 C, both removing 2000 J from the freezer. Which of the two is the better refrigerator?
28
Oct
Refrigerator A works between -10 C and + 27 C while refrigerator B works between -20 C and +17 C, both removing 2000 J from the freezer. Which of the two is the better refrigerator? both removing 2000 J from the freezer. Which of the two is the better refrigerator? Refrigerator A works between -10 [...]
In a cold storage, ice melts at the rate of 2 kg/h when the external temperature is 20 C. Find the minimum power output of the motor used to drive the refrigerator which just
28
Oct
In a cold storage, ice melts at the rate of 2 kg/h when the external temperature is 20 C. Find the minimum power output of the motor used to drive the refrigerator which just ice melts at the rate of 2 kg/h when the external temperature is 20 C. Find the minimum power output of [...]
The string of a simple pendulum replaced by a uniform rod of length L and mass M while the bob has a mass m. It is allowed to make small oscillation. Its time period is
28
Oct
The string of a simple pendulum replaced by a uniform rod of length L and mass M while the bob has a mass m. It is allowed to make small oscillation. Its time period is The string of a simple pendulum replaced by a uniform rod of length L and mass M while the bob [...]