Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A sphere of diameter 7 cm and mass 266.5 g floats in a bath of liquid. The temperature is raised, and the sphere begins to sink at 35 C . If the density of the liquid is 1.527 at 0 C,
23
Oct
A sphere of diameter 7 cm and mass 266.5 g floats in a bath of liquid. The temperature is raised, and the sphere begins to sink at 35 C . If the density of the liquid is 1.527 at 0 C, A sphere of diameter 7 cm and mass 266.5 g floats in a bath [...]
A mercury-in-glass thermometer has a stem of internal diameter 0.06 cm and contains 43 g of mercury. The mercury thread expands by 10 cm when the temperature changes from 0 C to 50 C.
23
Oct
A mercury-in-glass thermometer has a stem of internal diameter 0.06 cm and contains 43 g of mercury. The mercury thread expands by 10 cm when the temperature changes from 0 C to 50 C. A mercury-in-glass thermometer has a stem of internal diameter 0.06 cm and contains 43 g of mercury. The mercury thread expands [...]
A brass scale is graduated at 10 C. What is the true length of a zinc rod which measures 60.00 cm on this scale at 30 C ? Coefficient of linear expansion of brass = 18 * 10^-6 K^-1.
23
Oct
A brass scale is graduated at 10 C. What is the true length of a zinc rod which measures 60.00 cm on this scale at 30 C ? Coefficient of linear expansion of brass = 18 * 10^-6 K^-1. A brass scale is graduated at 10 C. What is the true length of a zinc [...]
A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 50 C. The coefficient of cubical expansion of the metal is less than alcohol. Assuming that density of the metal is large
23
Oct
A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 50 C. The coefficient of cubical expansion of the metal is less than alcohol. Assuming that density of the metal is large A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 50 C. The coefficient of [...]
A glass vessel measures exactly 10 cm * 10 cm * 10 cm at 0 C. It is filled completely with mercury at this temperature. When the temperature is raised to 10 C, 1.6 cm^3 of mercury overflows.
23
Oct
A glass vessel measures exactly 10 cm * 10 cm * 10 cm at 0 C. It is filled completely with mercury at this temperature. When the temperature is raised to 10 C, 1.6 cm^3 of mercury overflows. 1.6 cm^3 of mercury overflows. A glass vessel measures exactly 10 cm * 10 cm * 10 [...]
A clock with a metallic pendulum gains 5 s each day at a temperature of 15 C and loses 10 S each day at a temperature of 30 C. Find the coefficient of thermal expansion of the pendulum metal.
23
Oct
A clock with a metallic pendulum gains 5 s each day at a temperature of 15 C and loses 10 S each day at a temperature of 30 C. Find the coefficient of thermal expansion of the pendulum metal. A clock with a metallic pendulum gains 5 s each day at a temperature of 15 [...]
A metal rod of 30 cm length expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal of length 45 cm expands by 0.045 cm for the same
23
Oct
A metal rod of 30 cm length expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal of length 45 cm expands by 0.045 cm for the same A metal rod of 30 cm length expands by 0.075 cm when its temperature is raised [...]
The design of some physical instrument requires that there be a constant difference in length of 10 cm between an iron rod and a copper cylinder laid side by side at all temperatures.
23
Oct
The design of some physical instrument requires that there be a constant difference in length of 10 cm between an iron rod and a copper cylinder laid side by side at all temperatures. The design of some physical instrument requires that there be a constant difference in length of 10 cm between an iron rod [...]
Calculate the stress developed inside a tooth cavity filled with copper when hot tea at temperature of 57 C is drunk. You can take body (tooth) temperature to be 37 C and alpha cu
23
Oct
Calculate the stress developed inside a tooth cavity filled with copper when hot tea at temperature of 57 C is drunk. You can take body (tooth) temperature to be 37 C and alpha cu Calculate the stress developed inside a tooth cavity filled with copper when hot tea at temperature of 57 C is drunk. [...]
A rail track made of steel having length 10 m is clamped on a railway line at its two ends (see figure). On a summer day due to rise in temperature by 20 C, it is deformed as shown in figure.
23
Oct
A rail track made of steel having length 10 m is clamped on a railway line at its two ends (see figure). On a summer day due to rise in temperature by 20 C, it is deformed as shown in figure. A rail track made of steel having length 10 m is clamped on a [...]