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IGCSE A Level Physics Practice Test 79

# Energy Change Calculations Quiz PDF: Questions and Answers - 79

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The Quiz: Energy required per unit mass of substance to raise temperature of that substance by 1 K is called; "Energy Change Calculations" App Download (Android & iOS) Free with answers internal energy, enthalpy, specific heat capacity and temperature to learn online IGCSE GCE courses. Practice thermal physics questions and answers, Google eBook to download free sample for best SAT prep courses online.

## Energy Change Calculations Questions and Answers : Quiz 79

MCQ 391: Energy required per unit mass of substance to raise temperature of that substance by 1 K is called

A) enthalpy
B) internal energy
C) specific heat capacity
D) temperature

MCQ 392: Work is defined as

A) F × S
B) F × a
C) m × a
D) F × m

MCQ 393: If we reverse the direction of electric current, then the direction of magnetic field will be

A) reversed
B) remains same
C) becomes tangent
D) becomes normal

MCQ 394: For the minute hand of the clock, the angular velocity is equal to

A) 2 rad s-1
B) 3 rad s-1
C) 1 rad s-1
D) 0.00175 rad s-1

MCQ 395: 10 mole of carbon contains

A) 6.02 × 1024 atoms
B) 6.03 × 1023 atoms
C) 6.02 × 1023 atoms
D) 6.04 × 1024 atoms

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