MEDIUM
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Who is considered the father of Humanism?

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Important Questions on Cell : The Unit of Life

EASY

The compounds A and B in the following reaction are, respectively:

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EASY
Aromatic electrophilic substitution reaction that is reversible is
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Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
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The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by:
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The correct IUPAC name of the following compound is:

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A particle of mass m is moving in a circular path of constant radius r such that its centripetal acceleration ac is varying with time t as ac=k2rt2 , where k is a constant. The power delivered to the particle by the force acting on it is -
EASY
According to Aristotle observation, an external _____ is required to keep a body in uniform motion.
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Is it Necessary to Use an External Force to Retain a Body in Uniform Motion?
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A man 80 kg is supported by two cables as shown in the figure. Then the ratio of tensions T1 and T2 is,
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EASY
Was Aristotle correct about his statement aristotle's fallacy?
HARD
Who was Aristotle? Explain his law of motion.
MEDIUM
How do you appreciate Galileo's thought of “any moving body continues in the state only until an external force acts on it” which is in contradiction to Aristotle's belief of “any moving body naturally comes to rest”.
EASY
If the cylinder is compressed under the action of applied forces, the restoring force per unit area is known as _____.
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In the absence of an external opposing force, a body in motion will be in uniform motion forever.
MEDIUM
Block A of weight 100 N rests on a frictionless inclined plane of slope angle 30° as shown in the figure. A flexible cord attached to A passes over a frictionless pulley and is connected to block B of weight W. Find the weight W for which the system is in equilibrium.
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HARD
Explain why Aristotle's law of motion is flawed.
EASY

Was Aristotle correct about his statement aristotle's fallacy? If correct, explain his statement with an illustration.