Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A steel ball of mass 0.1 kg falls freely from a height of 10 m and bounces to a height of 5.4 m from the ground. If the dissipated energy in this process is absorbed by the ball, the rise
23
Oct
A steel ball of mass 0.1 kg falls freely from a height of 10 m and bounces to a height of 5.4 m from the ground. If the dissipated energy in this process is absorbed by the ball, the rise A steel ball of mass 0.1 kg falls freely from a height of 10 m [...]
A water fall is 84 metres high. If half of the potential energy of the falling water converted to heat, the rise in temperature of water will be
23
Oct
A water fall is 84 metres high. If half of the potential energy of the falling water converted to heat, the rise in temperature of water will be A water fall is 84 metres high. If half of the potential energy of the falling water converted to heat the rise in temperature of water will [...]
A lead bullet of 10 g travelling at 300 m/s strikes against a block of wood and comes to rest. Assuming 50 % of heat is absorbed by the bullet, the increase in its temperature is
23
Oct
A lead bullet of 10 g travelling at 300 m/s strikes against a block of wood and comes to rest. Assuming 50 % of heat is absorbed by the bullet, the increase in its temperature is A lead bullet of 10 g travelling at 300 m/s strikes against a block of wood and comes to [...]
An aluminium sphere is dipped into water. Which of the following is true ?
23
Oct
An aluminium sphere is dipped into water. Which of the following is true ? An aluminium sphere is dipped into water. Which of the following is true ? October 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A uniform metallic rod rotates about its perpendicular bisector with constant angular speed. If it is heated uniformly to raise its temperature slightly
23
Oct
A uniform metallic rod rotates about its perpendicular bisector with constant angular speed. If it is heated uniformly to raise its temperature slightly A uniform metallic rod rotates about its perpendicular bisector with constant angular speed. If it is heated uniformly to raise its temperature slightly October 23, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
In a vertical U-tube containing a liquid, the two arms are maintained at different temperatures t1 and t2. The liquid columns in the two arms have heights l1 and l2, respectively.
23
Oct
In a vertical U-tube containing a liquid, the two arms are maintained at different temperatures t1 and t2. The liquid columns in the two arms have heights l1 and l2, respectively. In a vertical U-tube containing a liquid respectively the two arms are maintained at different temperatures t1 and t2. The liquid columns in the [...]
A piece of metal weighs 46 g in the air. When it is immersed in the liquid of specific gravity 1.24 at 27 C, it weighs 30 g. When the temperature of liquid is raised to 42, the metal piece
23
Oct
A piece of metal weighs 46 g in the air. When it is immersed in the liquid of specific gravity 1.24 at 27 C, it weighs 30 g. When the temperature of liquid is raised to 42, the metal piece A piece of metal weighs 46 g in the air. When it is immersed in [...]
A steel scale measures the length of a copper wire as 80.0 cm, when both are at 20 C (the calibration temperature for scale). What would be the scale read for the length of the wire
23
Oct
A steel scale measures the length of a copper wire as 80.0 cm, when both are at 20 C (the calibration temperature for scale). What would be the scale read for the length of the wire A steel scale measures the length of a copper wire as 80.0 cm when both are at 20 C [...]
An iron tyre is to be fitted on to a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases
23
Oct
An iron tyre is to be fitted on to a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases An iron tyre is to be fitted on to a wooden wheel 1 m in diameter. The [...]
A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 59 C. The coefficient of cubical expansion of the metal is less than that of alcohol. Assuming that the density of metal is large
23
Oct
A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 59 C. The coefficient of cubical expansion of the metal is less than that of alcohol. Assuming that the density of metal is large A metal ball immersed in alcohol weighs W1 at 0 C and W2 at 59 C. The [...]