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 field due to a point charge is given by which formula? (2020)
  • A. kQ/r^2
  • B. kQ/r
  • C. Q/4πε₀r^2
  • D. Q/4πε₀r
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 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 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 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 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 forward bias condition in a diode occurs when: (2020)
  • A. Anode is at a higher potential than cathode
  • B. Cathode is at a higher potential than anode
  • C. Both terminals are at the same potential
  • D. None of the above
Q. The frequency of a simple harmonic oscillator is 5 Hz. What is its angular frequency? (2020)
  • A. 10 rad/s
  • B. 5 rad/s
  • C. 15 rad/s
  • D. 20 rad/s
Q. The frequency of a wave is 10 Hz. What is the frequency of its second harmonic? (2021)
  • A. 5 Hz
  • B. 10 Hz
  • C. 20 Hz
  • D. 30 Hz
Q. The gravitational field strength at a distance r from a mass M is given by which formula? (2022)
  • A. GM/r^2
  • B. Gm/r^2
  • C. M/r^2
  • D. G/r^2
Q. The gravitational force between two objects is 10 N. If the distance between them is tripled, what will be the new force? (2022)
  • A. 10 N
  • B. 5 N
  • C. 1.11 N
  • D. 0.11 N
Q. The gravitational force is a function of which of the following? (2023)
  • A. Masses and distance
  • B. Masses only
  • C. Distance only
  • D. Masses and velocity
Q. The gravitational force is a: (2023)
  • A. Contact force
  • B. Non-contact force
  • C. Frictional force
  • D. Centripetal force
Q. The gravitational potential energy of an object is defined as: (2023)
  • A. The work done against gravity
  • B. The kinetic energy of the object
  • C. The energy due to motion
  • D. The energy stored in the object
Q. The gravitational potential energy of an object of mass m at a height h is given by: (2022)
  • A. mgh
  • B. gh/m
  • C. mg/h
  • D. mgh²
Q. The gravitational potential energy of an object of mass m at a height h is given by which formula? (2023)
  • A. mgh
  • B. gh/m
  • C. mg/h
  • D. m/hg
Q. The gravitational potential energy of an object of mass m at height h is given by which formula? (2023)
  • A. mgh
  • B. gh/m
  • C. mg/h
  • D. m/hg
Q. The heat capacity at constant volume is defined as: (2023)
  • A. C_v = dQ/dT at constant pressure
  • B. C_v = dQ/dT at constant volume
  • C. C_v = dW/dT at constant volume
  • D. C_v = dQ/dP at constant volume
Q. The image formed by a concave mirror when the object is placed between the focal point and the mirror is: (2022)
  • A. Real and inverted
  • B. Virtual and erect
  • C. Real and erect
  • D. Virtual and inverted
Q. The impedance of an RLC circuit is given by which of the following formulas? (2022)
  • A. Z = R + jX
  • B. Z = √(R² + (X_L - X_C)²)
  • C. Z = R + X_L + X_C
  • D. Z = R - jX
Q. The impedance of an RLC circuit is minimum when which condition is satisfied? (2022)
  • A. XL = XC
  • B. R = 0
  • C. R = XL
  • D. R = XC
Q. The law that relates the pressure and volume of a gas at constant temperature is known as: (2019)
  • A. Charles's Law
  • B. Avogadro's Law
  • C. Boyle's Law
  • D. Ideal Gas Law
Q. The law that relates the volume of a gas to its temperature at constant pressure is known as: (2018)
  • A. Boyle's Law
  • B. Charles's Law
  • C. Avogadro's Law
  • D. Graham's Law
Q. The magnetic field due to a straight current-carrying conductor at a distance r from the wire is given by which formula? (2019)
  • A. B = μ₀I/(2πr)
  • B. B = μ₀I/(4πr²)
  • C. B = μ₀I/(2r)
  • D. B = μ₀I/(πr)
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