Physics
General
Easy
Question
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...........
The correct answer is:
Related Questions to study
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?
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
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 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
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 to
be 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
Given
and 
Calculate the free energy change for the following reaction at 300K Givenand
chemistry-General
chemistry-
In which of the following reactions the entropy change is positive?
In which of the following reactions the entropy change is positive?
chemistry-General
chemistry-
3 
If entropies of limestone ,lime and carbon dioxide are 93,39 and 213 J/mol/K. Then 
in JK–1 at 300K is
3 If entropies of limestone ,lime and carbon dioxide are 93,39 and 213 J/mol/K. Then in JK–1 at 300K is
chemistry-General
chemistry-
The direct conversion of A to B is difficult. Hence it is carried out by the following shown path: 
. where e.u is entropy unitThen 
The direct conversion of A to B is difficult. Hence it is carried out by the following shown path: . where e.u is entropy unitThen
chemistry-General
chemistry-
204 kjheat of hydrognentaion of each C=C bond in benzene
204 kjheat of hydrognentaion of each C=C bond in benzene
chemistry-General
chemistry-
Heat evolved in the reaction 
is 182kJ Bond energies H-H and Cl-Cl are 430 and 242kJ/mole.respectively Thus H-Cl- bond energy is
Heat evolved in the reaction is 182kJ Bond energies H-H and Cl-Cl are 430 and 242kJ/mole.respectively Thus H-Cl- bond energy is
chemistry-General
physics
What is the equation for a damped oscillator, where k and b are constants and is x displacement.
What is the equation for a damped oscillator, where k and b are constants and is x displacement.
physicsGeneral
physics-
In the given reaction 
radioactive radiation are emitted in the sequence
In the given reaction radioactive radiation are emitted in the sequence
physics-General
