The capacity of doing work by an object depends on ………………. and of the object which is doing work.
A) position, state
B) length, breadth
C) area, volume
D) pressure, density
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The following industry highly depends on women & children for work
(C) Textile Industry
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State the relation between principal specific heat capacity and molar specific heat capacity for a gas.
Molar specific heat capacity = Molecular weight × principal specific heat capacity. i.e. CV = μ × SP and CV = μ × SV where, μ is the molecular weight of the gas. [Note: Symbols (SV) and...
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Find thermal capacity for a copper block of mass 0.2 kg, if specific heat capacity of copper is 290 J/kg °C.
Given: m = 0.2 kg, s = 290 J/kg °C To find: Thermal capacity Formula: Thermal capacity = m × s Calculation: From formula, Thermal capacity = 0.2 × 290 = 58 J/ °C Thermal capacity...
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Which of the following is a false statement ? A) The motion of an object depends on the position of an observer.
D) Rest is not relative.
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While doing a project work on weights of students in the class-room Sekhar found mean of the class as 28 kg, median as 29.5 kg and mode as 27 kg.
C) 27.5, 28.5
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The kinetic energy of an object depends on
C) gravitational force
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Rate of doing work or rate of transfer of energy is
Correct option is C) power
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Ratio of doing work or rate of transfer of energy is defined as ……………….
Correct option is B) power
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Power is defined as P) rate of doing work Q) rate of transfer of energy
Correct option is C) P and Q
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Frictional force on a object in a fluid depends on A) Shape of the object
C) All of the above
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