Chemistry-
General
Easy
Question
Which among the following is aromatic?
The correct answer is:
has 8 + 2 = 10 p electrons hence it is aromatic
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physics-General
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physics-General
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The spring block system lies on a smooth horizontal surface. The free end of the spring is being pulled towards right with constant speed v0 = 2m/s. At t = 0 sec, the spring of constant k = 100 N/cm is unstretched and the block has a speed 1 m/s to left. The maximum extension of the spring is
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physics-General
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A block of mass m is attached with a massless spring of force constant k. The block is placed over a fixed rough inclined surface for which the coefficient of friction is 
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physics-General
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A weightless rod of length 
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In the figure shown the potential energy U of a particle is plotted against its position ' x ' from origin. Then which of the following statement is correct.
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In the figure shown there are two semicircles of radii 
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An infinitely long wire carrying current is along 
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Two long wires are hanging freely. They are joined first in parallel and then in series and then are connected with a battery. In both cases, which type of force acts between the two wires
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A current 
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physics-General
