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Q. The concept of absolute zero is defined as the temperature at which: (2020)
  • A. Molecular motion ceases
  • B. Pressure is zero
  • C. Volume is zero
  • D. Density is maximum
Q. The concept of absolute zero refers to: (2020)
  • A. The lowest possible temperature
  • B. The temperature at which gas molecules stop moving
  • C. Both A and B
  • D. The temperature at which gas has maximum volume
Q. The critical angle for total internal reflection occurs when light travels from: (2019)
  • A. Air to water
  • B. Water to air
  • C. Glass to air
  • D. Air to glass
Q. The dimensional formula for frequency is: (2023)
  • A. [T^-1]
  • B. [M^0 L^0 T^-1]
  • C. [M^1 L^1 T^-1]
  • D. [M^0 L^1 T^0]
Q. The dimensional formula for velocity is: (2022)
  • A. [M^0 L^1 T^-1]
  • B. [M^1 L^1 T^0]
  • C. [M^1 L^0 T^-1]
  • D. [M^0 L^0 T^1]
Q. The direction of induced current can be determined by which law? (2023)
  • A. Lenz's Law
  • B. Faraday's Law
  • C. Ohm's Law
  • D. Ampere's Law
Q. The Earth's magnetic field is approximately how many times weaker than that of a typical refrigerator magnet? (2023)
  • A. 10 times
  • B. 100 times
  • C. 1000 times
  • D. 10000 times
Q. The efficiency of a Carnot engine depends on: (2022)
  • A. The temperature of the hot reservoir only
  • B. The temperature of the cold reservoir only
  • C. The temperatures of both the hot and cold reservoirs
  • D. The type of working substance used
Q. The electric field between the plates of a parallel plate capacitor is given by which formula? (2020)
  • A. E = V/d
  • B. E = Q/A
  • C. E = CV
  • D. E = 1/(4πε₀r²)
Q. The electric field between the plates of a parallel plate capacitor is given by which expression? (2020)
  • A. E = V/d
  • B. E = d/V
  • C. E = CV
  • D. E = Q/A
Q. The electric field due to a dipole at a point along the axial line is given by which formula? (2023)
  • A. k * p / r²
  • B. k * p / r³
  • C. k * p / r
  • D. k * p / r⁴
Q. The electric potential due to a point charge is given by which formula? (2019)
  • A. V = kQ/r
  • B. V = Q/r
  • C. V = kQ/r^2
  • D. V = kQ
Q. The electrochemical series is a list of elements arranged according to their: (2022)
  • A. Atomic mass
  • B. Electronegativity
  • C. Standard electrode potentials
  • D. Ionization energy
Q. The electrochemical series is a list of: (2023)
  • A. Reactions
  • B. Electrodes arranged by standard electrode potential
  • C. Ionic compounds
  • D. Gases
Q. The energy of a simple harmonic oscillator is maximum at which point? (2022)
  • A. Mean position
  • B. Amplitude
  • C. Quarter amplitude
  • D. Half amplitude
Q. The energy stored in a capacitor is directly proportional to which of the following? (2023)
  • A. Charge
  • B. Voltage
  • C. Capacitance
  • D. All of the above
Q. The energy stored in a capacitor is given by which of the following formulas? (2021)
  • A. 1/2 CV^2
  • B. CV
  • C. Q/V
  • D. 1/2 QV
Q. The entropy of a perfect crystalline substance at absolute zero is given by: (2021)
  • A. 0 J/K
  • B. 1 J/K
  • C. 2 J/K
  • D. Depends on the substance
Q. The equation of state for an ideal gas is given by: (2022)
  • A. PV = nRT
  • B. PV = NkT
  • C. PV = mRT
  • D. PV = kT
Q. The equilibrium constant for the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g) is 4. What is the value of Kp? (2023)
  • A. 4
  • B. 16
  • C. 0.25
  • D. 0.0625
Q. The escape velocity from the surface of the Earth is approximately: (2019)
  • A. 7.9 km/s
  • B. 11.2 km/s
  • C. 9.8 km/s
  • D. 15 km/s
Q. The Faraday's first law of electrolysis states that: (2018)
  • A. The mass of substance deposited is directly proportional to the current
  • B. The voltage is directly proportional to the current
  • C. The energy is conserved
  • D. The temperature remains constant
Q. The female reproductive part of a flower is called the: (2022)
  • A. Stamen
  • B. Pistil
  • C. Petal
  • D. Sepal
Q. The five-kingdom classification system was proposed by: (2019)
  • A. Linnaeus
  • B. Whittaker
  • C. Haeckel
  • D. Darwin
Q. The force experienced by a charged particle moving in a magnetic field is given by which law? (2020)
  • A. Coulomb's Law
  • B. Lorentz Force Law
  • C. Faraday's Law
  • D. Ampere's Law
Q. The force experienced by a charged particle moving in a magnetic field is maximum when the angle between the velocity and magnetic field is: (2020)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 45 degrees
Q. The force on a charged particle moving in a magnetic field is given by which law? (2021)
  • A. Coulomb's Law
  • B. Lorentz Force Law
  • C. Faraday's Law
  • D. Ampere's Law
Q. The force on a charged particle moving in a magnetic field is maximum when the angle between the velocity and magnetic field is: (2021)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 45 degrees
Q. The force on a charged particle moving in a magnetic field is maximum when the angle between the velocity and the magnetic field is: (2021)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 45 degrees
Q. The force on a charged particle moving in a magnetic field is maximum when: (2021)
  • A. The particle moves parallel to the field
  • B. The particle moves perpendicular to the field
  • C. The particle is at rest
  • D. The particle moves in a circular path
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