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In an experiment, the following observations were recorded: L = 2.820 m, M = 3.00 kg, l = 0.087 cm, diameter, D = 0.041 cm. Taking g = 9.81 m s^-2 and using the formula,
14
Sep
In an experiment, the following observations were recorded: L = 2.820 m, M = 3.00 kg, l = 0.087 cm, diameter, D = 0.041 cm. Taking g = 9.81 m s^-2 and using the formula, D = 0.041 cm. Taking g = 9.81 m s^-2 and using the formula diameter In an experiment l = [...]
A large tank is filled with water to a height H. A small hole is made at the base of the tank. It takes T1 time to decrease the height of water to Hη(η>1) and it takes T2 times to take out the rest of water. If T1=T2, then the value of η is
14
Sep
A large tank is filled with water to a height H. A small hole is made at the base of the tank. It takes T1 time to decrease the height of water to Hη(η>1) and it takes T2 times to take out the rest of water. If T1=T2, then the value of η is Water [...]
The length of a cylinder is measured with a meter rod having least count 0.1 cm. Its diameter is measured with Vernier calipers having least count 0.01 cm. Given that length is 5.0 cm.
14
Sep
The length of a cylinder is measured with a meter rod having least count 0.1 cm. Its diameter is measured with Vernier calipers having least count 0.01 cm. Given that length is 5.0 cm. The length of a cylinder is measured with a meter rod having least count 0.1 cm. Its diameter is measured with [...]
A cylindrical drum, open at the top, contains 30 litres of water. It drains out through a small opening at the bottom. 10 litres of water comes out in time t1, the next 10 litres in a further time t1 and the last 10 litres in a further time t3 Then,
14
Sep
A cylindrical drum, open at the top, contains 30 litres of water. It drains out through a small opening at the bottom. 10 litres of water comes out in time t1, the next 10 litres in a further time t1 and the last 10 litres in a further time t3 Then, A cylindrical drum contains [...]
The resistance R = V/i, where V = 100 +- 5V and i = 10 + – 0.2 A. What is the total error in R?
14
Sep
The resistance R = V/i, where V = 100 +- 5V and i = 10 + – 0.2 A. What is the total error in R? The resistance R = V/i where V = 100 +- 5V and i = 10 + - 0.2 A. What is the total error in R? September 14, 2020 [...]
An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water :
14
Sep
An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water : an ideal liquid flows through the tube and pressure PA and PB at the [...]
The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate. If the maximum error in the measurement of force and length are
14
Sep
The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate. If the maximum error in the measurement of force and length are The pressure on a square plate is measured by measuring the force on the plate and the length of [...]
There are two identical small holes on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is h. As the liquid comes out of the two holes. The tank will experience a net horizontal force proportional to.
14
Sep
There are two identical small holes on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is h. As the liquid comes out of the two holes. The tank will experience a net horizontal force proportional to. an ideal liquid [...]
A liquid of density ρ comes out with a velocity v from a horizontal tube of area of cross-section A. The reaction force exerted by the liquid on the tube is F. Choose the incorrect option.
14
Sep
A liquid of density ρ comes out with a velocity v from a horizontal tube of area of cross-section A. The reaction force exerted by the liquid on the tube is F. Choose the incorrect option. A liquid of density ρ comes out with a velocity v from a horizontal tube of area of cross-section [...]
The density of a cube is measured by measuring its mass and the length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2%, respectively,
14
Sep
The density of a cube is measured by measuring its mass and the length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2%, respectively, respectively The density of a cube is measured by measuring its mass and the length of its sides. If the maximum errors [...]