Physics

#### For a pendulum in undamped oscillation, with a bob of mass and radius r, with a string of kngth l. What is the time period?

PhysicsGeneral

- T depends on m

#### Answer:The correct answer is:

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physics

#### In a damped oscillation with damping constant b . The time taken for its mechanical energy to drop to half. What is its value?

#### In a damped oscillation with damping constant b . The time taken for its mechanical energy to drop to half. What is its value?

physicsGeneral

physics

#### In the experiment of simple pendulum, we have taken a thread of 140 cm , and an amplitude of 5 cm to begin with. Here to begin with is about...........

#### In the experiment of simple pendulum, we have taken a thread of 140 cm , and an amplitude of 5 cm to begin with. Here to begin with is about...........

physicsGeneral

physics

#### In a damped oscillating with damping constant b. The time taken for amplitude of oscillation to drop to half what is its initial vale?

#### In a damped oscillating with damping constant b. The time taken for amplitude of oscillation to drop to half what is its initial vale?

physicsGeneral

physics

#### In the experiment we of simple pendulum keep , so as ensure......

#### In the experiment we of simple pendulum keep , so as ensure......

physicsGeneral

physics

#### When the moment of force is maximum, then what is the angle between force and position vector of the force?

#### When the moment of force is maximum, then what is the angle between force and position vector of the force?

physicsGeneral

physics

#### In the Seale and wedge experiment, m situated at x from the wedge and M is situated at from wedge at equillbrium. Now if m < M, then what is the relation between X and Y ?

#### In the Seale and wedge experiment, m situated at x from the wedge and M is situated at from wedge at equillbrium. Now if m < M, then what is the relation between X and Y ?

physicsGeneral

physics

#### When the "wedge and scale" experiment is performed at the equator, we get . .If the same experiment is performed at the poles, then what is the wright equation?

#### When the "wedge and scale" experiment is performed at the equator, we get . .If the same experiment is performed at the poles, then what is the wright equation?

physicsGeneral

physics

#### A force 2i + 3j acts about an axis at a position vector (j + k) from the axis, then what is the torque due to the force about the axis?

#### A force 2i + 3j acts about an axis at a position vector (j + k) from the axis, then what is the torque due to the force about the axis?

physicsGeneral

physics

#### In the experiment of balancing moments, suppose the fulcrum is at the 60 cm mark, and a known mass of 2kg is used on the longer arm. The greatest mass of which can be balanced against 2kg such that the minimum distance of either of the masses from the fulcrum is at least 10cm. (Neglect mass of metre scale.) What will be the value of m?

#### In the experiment of balancing moments, suppose the fulcrum is at the 60 cm mark, and a known mass of 2kg is used on the longer arm. The greatest mass of which can be balanced against 2kg such that the minimum distance of either of the masses from the fulcrum is at least 10cm. (Neglect mass of metre scale.) What will be the value of m?

physicsGeneral

chemistry-

#### The major product obtained on the monobromination (with ) of the following compound is

#### The major product obtained on the monobromination (with ) of the following compound is

chemistry-General

chemistry-

#### I:

II

III

For the above compounds the correct of internal energy content is = =</span

#### I:

II

III

For the above compounds the correct of internal energy content is = =</span

chemistry-General

chemistry-

#### Three statements are given below

i) The enthalpy of any element is zero in their standard state

ii) The heat of neutralisation for any strong acid and strong base at 25°C is -13.7 kJ/mole is a mathematical form of first+ =

iii) law of thermodynamics if work is done by the system according IUPAC

#### Three statements are given below

i) The enthalpy of any element is zero in their standard state

ii) The heat of neutralisation for any strong acid and strong base at 25°C is -13.7 kJ/mole is a mathematical form of first+ =

iii) law of thermodynamics if work is done by the system according IUPAC

chemistry-General

chemistry-

#### The enthalpy change involved in the oxidation of glucose is -2880 KJ mol-1 25% of this energy is available for muscular work. If 100 KJ of muscular work is needed to walk one kilometer, what is the maximum distance that a person will be able to walk after consuming 120 gm of glucose?

#### The enthalpy change involved in the oxidation of glucose is -2880 KJ mol-1 25% of this energy is available for muscular work. If 100 KJ of muscular work is needed to walk one kilometer, what is the maximum distance that a person will be able to walk after consuming 120 gm of glucose?

chemistry-General

chemistry-

#### For the reduction of lead oxide by coke S are found tobe 108.8 kJ mol^{-1} and 190 JK^{-1} mol^{-1} respectively. The minimum temperature above which the reaction will be spontaneous will be

#### For the reduction of lead oxide by coke S are found tobe 108.8 kJ mol^{-1} and 190 JK^{-1} mol^{-1} respectively. The minimum temperature above which the reaction will be spontaneous will be

chemistry-General

chemistry-

#### Calculate the free energy change for the following reaction at 300K Givenand

#### Calculate the free energy change for the following reaction at 300K Givenand

chemistry-General