Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
An ice cube whose mass is 50 g is taken from a refrigerator where its temperature was -10 C. If no heat is gained or lost from outside, how much water will freeze onto the cube if it is dropped
23
Oct
An ice cube whose mass is 50 g is taken from a refrigerator where its temperature was -10 C. If no heat is gained or lost from outside, how much water will freeze onto the cube if it is dropped An ice cube whose mass is 50 g is taken from a refrigerator where its [...]
An electric heater whose power is 54 W is immersed in 650 cm^3 water in a calorimeter. In 3 min the water is heated by 3.4 C. What part of the energy of the heater passes out of the
23
Oct
An electric heater whose power is 54 W is immersed in 650 cm^3 water in a calorimeter. In 3 min the water is heated by 3.4 C. What part of the energy of the heater passes out of the An electric heater whose power is 54 W is immersed in 650 cm^3 water in a [...]
When a small ice crystal is placed in overcooled water it begins to freeze instantaneously. 1. What amount of ice is formed from 1 kg of water overcooled to -8 C ? L of water = 336
23
Oct
When a small ice crystal is placed in overcooled water it begins to freeze instantaneously. 1. What amount of ice is formed from 1 kg of water overcooled to -8 C ? L of water = 336 When a small ice crystal is placed in overcooled water it begins to freeze instantaneously. 1. What amount [...]
Ice of mass 600 g and at a temperature of -10 C is placed in a copper vessel heated to 350 C. The resultant mixture is 550 g of ice and water. Find the mass of the vessel. The specific
23
Oct
Ice of mass 600 g and at a temperature of -10 C is placed in a copper vessel heated to 350 C. The resultant mixture is 550 g of ice and water. Find the mass of the vessel. The specific Ice of mass 600 g and at a temperature of -10 C is placed in [...]
A piece of ice of mass 50 g exists at a temperature of -20 C. Determine the total heat required to convert it completely to steam at 100 C. (Specific heat capacity of ice = 0.5 cal/g C;
23
Oct
A piece of ice of mass 50 g exists at a temperature of -20 C. Determine the total heat required to convert it completely to steam at 100 C. (Specific heat capacity of ice = 0.5 cal/g C; A piece of ice of mass 50 g exists at a temperature of -20 C. Determine the [...]
A child running a temperature of 101 F is given an antipyrin (i.e., a medicine that lowers fever) which causes an increase in the rate of evaporation of sweat from his body. If the fever is brought
23
Oct
A child running a temperature of 101 F is given an antipyrin (i.e., a medicine that lowers fever) which causes an increase in the rate of evaporation of sweat from his body. If the fever is brought A child running a temperature of 101 F is given an antipyrin (i.e. a medicine that lowers fever) [...]
When composite rod is free, composite length increases to 2.002 m when temperature increases from 20 C to 120 C. When composite rod is fixed between the support, there is no change
23
Oct
When composite rod is free, composite length increases to 2.002 m when temperature increases from 20 C to 120 C. When composite rod is fixed between the support, there is no change composite length increases to 2.002 m when temperature increases from 20 C to 120 C. When composite rod is fixed between the support [...]
A glass bulb contains air and mercury. What fraction of the bulb must be occupied by mercury if the volume of air in the bulb is to remain constant at all temperatures ? The coefficient
23
Oct
A glass bulb contains air and mercury. What fraction of the bulb must be occupied by mercury if the volume of air in the bulb is to remain constant at all temperatures ? The coefficient A glass bulb contains air and mercury. What fraction of the bulb must be occupied by mercury if the volume [...]
The height of a mercury column measured with a brass scale, which is correct and equal to H0 at 0 C, is H1 at t C ? The coefficient of linear expansion of brass is alpha and the
23
Oct
The height of a mercury column measured with a brass scale, which is correct and equal to H0 at 0 C, is H1 at t C ? The coefficient of linear expansion of brass is alpha and the is H1 at t C ? The coefficient of linear expansion of brass is alpha and the [...]
On a Celsius thermometer the distance between the readings 0 C and 100 C is 30 cm and the area of cross section of the narrow tube containing mercury is 15 * 10^-4 cm^-2.
23
Oct
On a Celsius thermometer the distance between the readings 0 C and 100 C is 30 cm and the area of cross section of the narrow tube containing mercury is 15 * 10^-4 cm^-2. On a Celsius thermometer the distance between the readings 0 C and 100 C is 30 cm and the area of [...]