Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The internal and external diameters of a hollow cylinder are measured with the help of a Vernier callipers. Their values are 4.23 +- 0.01 cm and 3.87 +- 0.01 cm, respectively. The thickness of the wall of the cylinder is
15
Sep
The internal and external diameters of a hollow cylinder are measured with the help of a Vernier callipers. Their values are 4.23 +- 0.01 cm and 3.87 +- 0.01 cm, respectively. The thickness of the wall of the cylinder is respectively. The thickness of the wall of the cylinder is The internal and external diameters [...]
The heat generated in a circuit is given by Q = I^2Rt, where I is current, R is resistance, and t is time. If the percentage errors in measuring I, R, and t are 2%, 1% and 1%, respectively, then the maximum error
15
Sep
The heat generated in a circuit is given by Q = I^2Rt, where I is current, R is resistance, and t is time. If the percentage errors in measuring I, R, and t are 2%, 1% and 1%, respectively, then the maximum error 1% and 1% and t are 2% and t is time. If [...]
The dimensional formula for a physical quantity x is (M^-1 L^3 T^-2). The errors in measuring the quantities M, L, and T, respectively, are 2%, 3% and 4%. The maximum percentage of error that occurs
15
Sep
The dimensional formula for a physical quantity x is (M^-1 L^3 T^-2). The errors in measuring the quantities M, L, and T, respectively, are 2%, 3% and 4%. The maximum percentage of error that occurs 3% and 4%. The maximum percentage of error that occurs and T are 2% L respectively The dimensional formula for [...]
The relative density of a material is found by weighing the body first in air and then in water. If the weight in air is (10.0 +- 0.1) gf and the weight in water is (5.0 +- 0.1) gf, then the maximum
15
Sep
The relative density of a material is found by weighing the body first in air and then in water. If the weight in air is (10.0 +- 0.1) gf and the weight in water is (5.0 +- 0.1) gf, then the maximum The relative density of a material is found by weighing the body first [...]
While measuring acceleration due to gravity by a simple pendulum, a student makes a positive error of 2% in the length of the pendulum and a positive error of 1% in the value of time period.
15
Sep
While measuring acceleration due to gravity by a simple pendulum, a student makes a positive error of 2% in the length of the pendulum and a positive error of 1% in the value of time period. a student makes a positive error of 2% in the length of the pendulum and a positive error of [...]
While measuring the acceleration due to gravity by a simple pendulum, a student makes a positive error of 1 % in the length of the pendulum and a negative error of 3 % in the value of time period.
15
Sep
While measuring the acceleration due to gravity by a simple pendulum, a student makes a positive error of 1 % in the length of the pendulum and a negative error of 3 % in the value of time period. a student makes a positive error of 1 % in the length of the pendulum and [...]
The length of a strip measured with a meter rod is 10.0 cm. Its width measured with a vernier callipers is 1.00 cm, The least count of the meter rod is 0.1 cm and that of vernier callipers is 0.01 cm.
15
Sep
The length of a strip measured with a meter rod is 10.0 cm. Its width measured with a vernier callipers is 1.00 cm, The least count of the meter rod is 0.1 cm and that of vernier callipers is 0.01 cm. The least count of the meter rod is 0.1 cm and that of vernier [...]
The mass of a body is 20.000 g and its volume is 10.00 cm^3. If the measured values are expressed to the correct significant figures, the maximum error in the value of density is
15
Sep
The mass of a body is 20.000 g and its volume is 10.00 cm^3. If the measured values are expressed to the correct significant figures, the maximum error in the value of density is The mass of a body is 20.000 g and its volume is 10.00 cm^3. If the measured values are expressed to [...]
A highly rigid cubical block A of small mass M and side L is fixed rigidly on the other cubical block of same dimensions and of modulus of rigidity n such that the lower face of A completely covers the upper face of B. The
15
Sep
A highly rigid cubical block A of small mass M and side L is fixed rigidly on the other cubical block of same dimensions and of modulus of rigidity n such that the lower face of A completely covers the upper face of B. The and g is the acceleration due to gravity. r is [...]
A liquid drop of density rho, radius r, and surface tension sigma oscillates with time period T. Which of the following expressions for T^2 is correct?
15
Sep
A liquid drop of density rho, radius r, and surface tension sigma oscillates with time period T. Which of the following expressions for T^2 is correct? A liquid drop of density rho and surface tension sigma oscillates with time period T. Which of the following expressions for T^2 is correct? radius R. September 15, 2020 [...]