Physics-
General
Easy
Question
A uniform wire of length L, diameter D and density S is stretched under a tension T. the correct relation between its fundamental frequency f, the length L and the diameter D is
The correct answer is:
The fundamental frequency is
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If you set up the seven overtone on a string fixed at both ends, how many nodes and antinodes are set up in it?
If you set up the seven overtone on a string fixed at both ends, how many nodes and antinodes are set up in it?
Physics-General
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If in a resonance tube a oil of density higher than that water is used then at the resonance frequency would
If in a resonance tube a oil of density higher than that water is used then at the resonance frequency would
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. Number of beats produced per minute is
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Silica reacts with magnesium compound X, X reacts with dil HCl and forms Y and Z If two moles of HCl reacts with one mole of X then how many mole of y will be formed
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Carbondioxide is used for extinguishing fire because
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Which is correct regarding CO2
Which is correct regarding CO2
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CO2and N2are non-supporters of combustion However for putting out fires CO2 is preferred over N2 because CO2
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The correct statement with respect to CO is
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Which element can form the most acidic oxide
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The C-X bond energy order for carbon tetra halides is
The C-X bond energy order for carbon tetra halides is
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A) Silanes are good reducing agents B) SiO2 is a giant tetrahedral polymer C) SnCl4 act as Bronsted Base
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A) CCl4 does not act as lewis acid B) Silanes are strong reducing agents C) Crystalline silica will have Diamond like structure The correct answer is
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Which of the following is not hydrolyzed easily
Which of the following is not hydrolyzed easily
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The first ionization energies of the elements of group 14 follow the order
The first ionization energies of the elements of group 14 follow the order
Chemistry-General
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How many corners of SiO4 units are shared in the formation of three dimensional
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