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A chemical reaction is known to occur spontaneously under standard conditions. Which of the following statements is/are true (more than one answer may be selected):
A The total entropy (system + surrounding) increases.
B The entropy change of the surroundings is negative.
C The reaction is exothermic.
D The entropy of the system increases.
If a ball thrown horizontally with a velocity of 20m/s from a tower meters high, after how long will it strike the ground?
A block of mass m is tied to a cord of length L that is pivoted at the center of a frictionless table. A second block of mass m is tied to the ?rst block also on a cord of length L
The capacitors can be classified on the basis of nature of value, type of dielectric material used and polarity. On the basis of nature of value: Fixed value capacitor
a body is thrown horizontally with a velocity of u from the top of a tower. the displacement of the stone when the horizontal and vertical velocities are equal is
Q. Why does a glass filled with water smash when you run your finger along the rim of the glass? Answer:- A portion of crystal stemware has a natural or resonant frequency
The current induced in the conductor due change in magnetic field is called eddy current.we study more about this in electro magnetic laws.
Describe how the law of conservation of energy holds good in light interference pattern
Weiss constant: A characteristic constant based on the material, utilized in calculating the susceptibility of paramagnetic materials.
what is construction,,, principle...and working of AC generator
Transform kinetic energy into vertical potential energy A pole vaulter performs the extraordinary feat of converting his forward kinetic energy to vertical potential energy. Us
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