Adding detergent to water helps in removing dirty greasy stains. This is because

Question:

Adding detergent to water helps in removing dirty greasy stains. This is because 1.It increases the oil-water surface tension 2.It decreases the oil-water surface tension 3. It increases the viscosity of the solution 4.Dirty is held suspended surrounded by detergent molecules

Options :

a) 2 and 4
b) 1 only
c) 3 and 4
d) 4 only

Answer :

a) 2 and 4

Answer Steps :

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A particle starts oscillating simple harmonically from its equilibrium position. Then the ratio of kinetic and potential energy of the particle at time T / 12 is ( T – time period)

The length of the seconds pendulum is 1 m on earth. If the mass and diameter of any planet is 1.5 times that of the earth, the length of the seconds pendulum on that planet will be nearly

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Related Questions

The time taken by a particle executing simple harmonic motion of period ‘T’ to move from the mean position to half the maximum displacement is

A particle starts oscillating simple harmonically from its equilibrium position. Then the ratio of kinetic and potential energy of the particle at time T / 12 is ( T – time period)

The length of the seconds pendulum is 1 m on earth. If the mass and diameter of any planet is 1.5 times that of the earth, the length of the seconds pendulum on that planet will be nearly

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