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The SI unit of frequency is:
A. Hertz
B. Joule
C. Watt
D. Pascal
Answer: Hertz
The concept of ‘thermal equilibrium’ is described by which law of thermodynamics?
A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Third law of thermodynamics
Answer: Zeroth law of thermodynamics
Subjects: Thermal Physics, Physics
The resistance of a material to deformation under shear stress is referred to as:
A. Shear modulus
B. Bulk modulus
C. Young's modulus
D. Poisson's ratio
Answer: Shear modulus
Subjects: Properties of Bulk Matter, Physics
The gravitational force between two objects is given by which of the following formulas?
A. F = G(m₁m₂)/r²
B. F = G(m₁m₂)/r
C. F = Gm₁m₂r²
D. F = Gm₁m₂/r
Answer: F = G(m₁m₂)/r²
Subjects: Gravitation, Physics
In an elastic collision, which of the following is conserved?
A. Kinetic energy and momentum
B. Momentum only
C. Kinetic energy only
D. Potential energy and momentum
Answer: Kinetic energy and momentum
Subjects: Linear Momentum and Collisions, Physics