Physics-
General
Easy
Question
Equal volumes of two immiscible liquids of densities and are filled in a vessel as shown in figure. Two small holes are punched at depth h/2 and 3h/2 from the surface of lighter liquid. If v1 and v2 are the velocities of a flux at these two holes, then v1/v2 is :
The correct answer is:
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A cylindrical block of area of cross–section A and of material of density r is placed in a liquid of density one–third of density of block. The block compresses a spring and compression in the spring is one–third of the length of the block. If acceleration due to gravity is g, the spring constant of the spring is:
A cylindrical block of area of cross–section A and of material of density r is placed in a liquid of density one–third of density of block. The block compresses a spring and compression in the spring is one–third of the length of the block. If acceleration due to gravity is g, the spring constant of the spring is:
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An open-ended U-tube of uniform cross-sectional area contains water (density 1.0 gram/ standing initially 20 centimeters from the bottom in each arm. An immiscible liquid of density 4.0 grams/ centimeter3 is added to one arm until a layer 5 centimeters high forms, as shown in the figure above. What is the ratio of the heights of the liquid in the two arms?
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A body having volume V and density is attached to the bottom of a container as shown. Density of the liquid is d(>r). Container has a constant upward acceleration a. Tension in the string is
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physics-General
chemistry-
The products of the above reaction is / are :
The products of the above reaction is / are :
chemistry-General
chemistry-
Product (X) in this reaction is :
Product (X) in this reaction is :
chemistry-General
chemistry-
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In the given reaction the product is :
In the given reaction the product is :
chemistry-General
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Compound (X) in the above reaction.
Compound (X) in the above reaction.
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Write the product of following reaction :
Write the product of following reaction :
chemistry-General
chemistry-
KI in acetone, undergoes reaction with each of P, Q, R and S The rates of the reaction vary as –
P)
Q)
R)
S)
KI in acetone, undergoes reaction with each of P, Q, R and S The rates of the reaction vary as –
P)
Q)
R)
S)
chemistry-General
chemistry-
The major product of the following reaction is
The major product of the following reaction is
chemistry-General
chemistry-
The major product of the following reaction is :
The major product of the following reaction is :
chemistry-General
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The major product obtained in the following reaction is
The major product obtained in the following reaction is
chemistry-General
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2-chloro-2-methylpentane on reaction with sodium methoxide in methanol yields
a)
b)
c)
2-chloro-2-methylpentane on reaction with sodium methoxide in methanol yields
a)
b)
c)
chemistry-General