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A pendulum clock loses 12 s a day if the temperature is 40 C and gains 4 s a day if the temperature is 20 C. The temperature at which the clock will show correct time, and the c0-efficient
24
Oct
A pendulum clock loses 12 s a day if the temperature is 40 C and gains 4 s a day if the temperature is 20 C. The temperature at which the clock will show correct time, and the c0-efficient A pendulum clock loses 12 s a day if the temperature is 40 C and gains [...]
The pressure that has to be applied to the ends of a steel wire of length 10 cm to keep its length constant when its temperature is raised by 100 C is :
24
Oct
The pressure that has to be applied to the ends of a steel wire of length 10 cm to keep its length constant when its temperature is raised by 100 C is : The pressure that has to be applied to the ends of a steel wire of length 10 cm to keep its length [...]
A wooden wheel of radius R is made of two semicircular parts (see figure). The two parts are held together by a ring made of a metal strip of cross sectional area S and length L.
24
Oct
A wooden wheel of radius R is made of two semicircular parts (see figure). The two parts are held together by a ring made of a metal strip of cross sectional area S and length L. A wooden wheel of radius R is made of two semicircular parts (see figure). The two parts are held [...]
100 g of water is heated from 30 C to 50 C. Ignoring the slight expansion of the water, the change in its internal energy is (specific heat of water is 4184 J/Kg/K)
24
Oct
100 g of water is heated from 30 C to 50 C. Ignoring the slight expansion of the water, the change in its internal energy is (specific heat of water is 4184 J/Kg/K) 100 g of water is heated from 30 C to 50 C. Ignoring the slight expansion of the water the change in [...]
Statement 1 : The temperature dependance of resistance is usually given as R = R0 (1 + alpha delta t ). The resistance of a wire changes from 100 ohm to 150 ohm when its temperature is increased from 27 C to 227 C.
24
Oct
Statement 1 : The temperature dependance of resistance is usually given as R = R0 (1 + alpha delta t ). The resistance of a wire changes from 100 ohm to 150 ohm when its temperature is increased from 27 C to 227 C. A certain mass of a solid exists at its melting temperature [...]
The switch S in the circuit is connected with point a for a very long time , the n it is shifted to position b. The resulting current through is shown by curves in the graph four sets of values for the resistance R and inductance L ( given in column 1 ). which set corresponds with which curve ?
24
Oct
The switch S in the circuit is connected with point a for a very long time , the n it is shifted to position b. The resulting current through is shown by curves in the graph four sets of values for the resistance R and inductance L ( given in column 1 ). which set [...]
In column I, some circuits are given . In all circuits expect in (i) switch s remains closed for a long time and then it is opened at t = 0; while for (i) the situation is reversed.
24
Oct
In column I, some circuits are given . In all circuits expect in (i) switch s remains closed for a long time and then it is opened at t = 0; while for (i) the situation is reversed. In column I some circuits are given . In all circuits expect in (i) switch s remains [...]
A calorimeter of water equivalent 10 g contains a liquid of mass 50 g at 40 C. When m gram of ice at -10 C is put into the calorimeter and the mixture is allowed to attain equilibrium,
24
Oct
A calorimeter of water equivalent 10 g contains a liquid of mass 50 g at 40 C. When m gram of ice at -10 C is put into the calorimeter and the mixture is allowed to attain equilibrium, A calorimeter of water equivalent 10 g contains a liquid of mass 50 g at 40 C. [...]
Column I shows some ac circuits. Column II gives some possibilities in the circuit . Match appropriately.
24
Oct
Column I shows some ac circuits. Column II gives some possibilities in the circuit . Match appropriately. Column I shows some ac circuits. Column II gives some possibilities in the circuit . Match appropriately. October 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A block of ice of mass M = 13.44 kg slides on a horizontal surface. It starts with a speed v = 10 m/s and finally stops after moving a distance s = 30 m. What is the mass of ice
24
Oct
A block of ice of mass M = 13.44 kg slides on a horizontal surface. It starts with a speed v = 10 m/s and finally stops after moving a distance s = 30 m. What is the mass of ice A block of ice of mass M = 13.44 kg slides on a horizontal [...]