Mock Test

Exam: BPSC Subject: General Science Topic: Physics

Total Questions: 20

Q1. What phenomenon describes the slowing down of time for an observer who is moving relative to another observer?

Length contraction Time dilation Spacetime curvature Gravitational lensing
Q2. Which of the following is NOT a type of capacitor?

Ceramic capacitor Electrolytic capacitor Inductor Variable capacitor
Q3. In Special Relativity, what is the relationship between momentum (p) and relativistic energy (E)?

E² = (pc)² + (m₀c²)² E = pc E = m₀c² p = mv
Q4. The Zeroth Law of Thermodynamics is crucial for establishing the concept of temperature because it states that temperature is a property that:

Determines the amount of heat in a body. Is directly proportional to the internal energy of a body. Is the indicator of thermal equilibrium between bodies. Is always conserved in any process.
Q5. Which force is responsible for the binding of quarks within a proton?

Weak nuclear force Electromagnetic force Strong nuclear force Gravitational force
Q6. What is the main product of the fusion of Deuterium and Tritium?

Helium and a neutron Lithium and a proton Carbon and an alpha particle Oxygen and a beta particle
Q7. What is the ultimate fate of a star with a mass significantly larger than the Sun, after it undergoes a supernova?

White Dwarf Neutron Star Black Hole Planetary Nebula
Q8. Which quantity remains constant in the absence of external forces?

Kinetic energy Potential energy Total mechanical energy Velocity
Q9. The Higgs boson is associated with which fundamental phenomenon?

Nuclear fusion Mass of elementary particles Color confinement Beta decay
Q10. Sound waves are an example of:

Transverse waves Longitudinal waves Electromagnetic waves Surface waves
Q11. In a series RL circuit, the current lags the voltage by an angle φ, where tan(φ) = ωL/R. For a DC circuit, what is the effective value of ω?

0 1 ∞ Dependent on R and L
Q12. Nuclear fusion requires extremely high:

Pressure only Temperature only Pressure and Temperature Magnetic fields only
Q13. Kinetic energy is the energy possessed by an object due to its:

position state motion temperature
Q14. The Boltzmann distribution describes the probability of a system being in a state with energy E at temperature T as proportional to:

E / (kT) exp(-E / (kT)) exp(E / (kT)) 1 / (E * kT)
Q15. Which of the following is a unit of frequency?

second hertz radian meter
Q16. A person walks 10 meters east and then 10 meters north. The displacement of the person is:

10 m 20 m 14.14 m 0 m
Q17. Which type of radioactive emission is electromagnetic radiation of very short wavelength?

Alpha rays Beta rays Gamma rays Protons
Q18. The coefficient of volume expansion of a gas at constant pressure is approximately equal to:

1/T 1/T (where T is in Kelvin) 1/P 1/P (where P is pressure)
Q19. Which device measures electric current?

Voltmeter Ammeter Ohmmeter Galvanometer
Q20. The electric potential due to an electric dipole at a large distance r is proportional to:

r⁻¹ r⁻² r⁻³ r⁻⁴

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