Computational Astrophysics — MCQs

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1. Computational astrophysics primarily involves the use of:





2. Which of the following is a major tool in computational astrophysics?





3. N-body simulations are mainly used to study:





4. Smoothed Particle Hydrodynamics (SPH) is commonly applied in:





5. Which computational method is most suitable for solving partial differential equations in astrophysics?





6. Adaptive Mesh Refinement (AMR) is used in simulations to:





7. The term “computational cosmology” generally refers to simulations of:





8. Which programming language is most widely used in computational astrophysics?





9. Monte Carlo methods are used in astrophysics mainly for:





10. Which of the following is an N-body simulation code?





11. Magnetohydrodynamics (MHD) simulations are important for studying:





12. In computational astrophysics, parallel computing is essential because:





13. Which technique is used for simulating star formation in galaxies?





14. Numerical relativity deals with simulations of:





15. Which astrophysical event requires full relativistic hydrodynamics simulations?





16. High-performance computing (HPC) clusters are necessary for astrophysics because:





17. Tree algorithms in N-body simulations are used to:





18. Radiative transfer simulations are crucial for modeling:





19. Which type of method is used in modeling turbulence in astrophysical fluids?





20. GPU computing is beneficial in astrophysics because it:





21. The Courant–Friedrichs–Lewy (CFL) condition is important in simulations to ensure:





22. Which numerical technique is often used to solve orbital mechanics problems?





23. Cosmological simulations like Illustris and Millennium are used to study:





24. What is the main limitation of N-body simulations?





25. Which field combines AI with astrophysical simulations?





26. Which astrophysical phenomenon requires radiative hydrodynamics simulations?





27. A common use of Fast Fourier Transform (FFT) in astrophysics is:





28. Which type of simulation studies galaxy mergers?





29. The leapfrog integration method is often used in astrophysics because it:





30. In computational astrophysics, boundary conditions are critical for:





31. Which astrophysical system requires General Relativistic Magnetohydrodynamics (GRMHD) simulations?





32. The main advantage of Lagrangian methods like SPH over Eulerian grid methods is:





33. Which astrophysical simulation often uses periodic boundary conditions?





34. Which technique is essential for analyzing gravitational wave signals numerically?





35. The main challenge in simulating turbulence in astrophysical fluids is:





36. Which algorithm is often used for gravitational force calculation in N-body simulations?





37. Which of the following is an open-source code for astrophysical simulations?





38. The finite element method (FEM) is especially useful for:





39. Computational astrophysics helps in predicting observational data by:





40. A key limitation of simulations is:





41. Which astrophysical problem typically uses Monte Carlo radiative transfer?





42. Which type of data is often used to validate computational astrophysics simulations?





43. Which simulation method is best suited for shock waves in astrophysical gases?





44. What is the purpose of data visualization in computational astrophysics?





45. Which technique is often used to find exoplanets in noisy datasets using simulations?





46. Why are time-stepping schemes important in simulations?





47. Which astrophysical phenomenon requires both particle and fluid treatment in simulations?





48. Which cosmological parameter can be constrained using computational astrophysics?





49. Computational astrophysics contributes to gravitational wave astronomy by:





50. The future of computational astrophysics will likely involve:





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