Mock Test

Exam: BPSC Subject: General Science Topic: Physics

Total Questions: 20

Q1. Gravitational waves, as predicted by Einstein's general relativity, are ripples in spacetime. What is the most likely astrophysical source for the gravitational waves detected by LIGO and Virgo in recent years?

The merger of two supermassive black holes The collapse of a massive star into a neutron star The merger of two stellar-mass black holes or neutron stars The formation of the first stars in the early universe
Q2. A projectile is launched horizontally with a velocity of 20 m/s from a height of 80 m. How long will it take to hit the ground? (g = 10 m/s²)

2 seconds 4 seconds 3 seconds 5 seconds
Q3. The temperature at which a substance changes from a liquid to a solid is called its:

Boiling point Melting point Freezing point Critical point
Q4. A light-year is a unit of:

Time Speed Distance Brightness
Q5. When heat is applied to the bottom of a closed container of water, heat transfer within the water occurs mainly by:

Conduction Convection Radiation Diffusion
Q6. When a solid is heated, its length generally:

Decreases Remains the same Increases Becomes zero
Q7. Two objects, X and Y, are brought into thermal contact. Object X has a higher heat capacity than object Y. If they are allowed to reach thermal equilibrium, which object will experience a larger change in temperature?

Object X will experience a larger change in temperature. Object Y will experience a larger change in temperature. Both objects will experience the same change in temperature. The object with the higher initial temperature will experience a larger change in temperature.
Q8. The unit of capacitance is:

Henry Ohm Farad Volt
Q9. What phenomenon describes the shortening of an object's length in the direction of its motion as observed by a stationary observer?

Time dilation Length contraction Mass-energy equivalence Doppler effect
Q10. The Standard Model of particle physics describes:

Only the strong force Only the electromagnetic force All known fundamental forces and elementary particles Only gravity
Q11. If a magnetic field through a coil is increased, the induced current in the coil will flow in a direction that:

Opposes the increase in magnetic field Supports the increase in magnetic field Is perpendicular to the magnetic field Is parallel to the magnetic field
Q12. Which theorem states that the work done on an object is equal to the change in its kinetic energy?

Conservation of energy Work-energy theorem Newton's third law Principle of superposition
Q13. Which of the following is a characteristic of neutrinos?

Strong interaction Electric charge Large mass Very weak interaction
Q14. The velocity-time graph for an object moving with uniform acceleration is a:

Parabola Straight line with zero slope Straight line with non-zero slope Horizontal line
Q15. The Schrödinger equation describes the evolution of a quantum system in time. What does the wave function (Ψ) represent?

The exact position of the particle The probability density of finding the particle at a given point The energy of the particle The momentum of the particle
Q16. Which fundamental force is responsible for holding protons and neutrons together in the nucleus?

Electromagnetic force Weak nuclear force Strong nuclear force Gravitational force
Q17. The twin paradox, a thought experiment in Special Relativity, illustrates the concept of:

Gravitational time dilation Length contraction Time dilation due to relative velocity The constancy of the speed of light
Q18. A square loop of side 'a' carries a current I. What is the magnetic field at the center of the loop?

μ₀I / (2πa) 2√2 μ₀I / (πa) √2 μ₀I / (πa) 4 μ₀I / (πa)
Q19. If a satellite is orbiting the Earth in an elliptical path, its speed is:

Constant throughout the orbit Maximum at the farthest point from Earth Minimum at the closest point to Earth Maximum at the closest point to Earth
Q20. The gravitational force is a:

Contact force Non-contact force Frictional force Normal force

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