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Unfortunately, Mr. M. Subramanian, who maintained this website lost his battle to cancer and passed away in July, 2019. The database has over 50,000 questions. If you are interested in purchasing the website/database, please reach out using the form here.
Khub.info Learn TNPSC exam and online pratice
Q1. The moment of linear momentum of the particle is
Q2. The moment of inertia of a body comes into play in
Q3. The moment of inertion of a rotating body depends upon
Q4. The moment of inertia does not depend on
Q5. The mirror formula is valid for
Q6. The molecule which is well inside the liquid is attracted
Q7. The minimum number of separate images that need to be moved across the human eye per. second to create illusion of a moving picture is
Q8. The minimum number of 2W resistors required to get resultant resistance of 3W is
Q9. The minimum mass of the nuclear material below which the chain reaction stops is ..........
Q10. The minimum mass of the nuclear fuel below which the chain reaction stops is ...........
Q11. The minimum frequency below which there is no emission of photo electrons are called
Q12. The measure of the tendency of a material to slow down light as it travels through it is called
Q13. The maximum value of stress within which a body regains its original state is called
Q14. The maximum kinetic energy of photoelectrons depends on
Q15. The maximum kinetic energy of photo electrons is independent of
Q16. The maximum displacement of a vibrating body from its mean position is called
Q17. The mathematical expression for ohm’s law
Q18. The material required for the fission process to takes place is ..............
Q19. The mass of the proton is ............
Q20. The mass of an object is 10 kg. What is its weight on earth?
Q21. The mass of object A is 5 kg and B is 8 kg at rest. What is the momentum?
Q22. The mass of a steel block is 72 kg and volume is 9m3, what is its relative density.
Q23. The mass of a neutron is how many times the mass of an electron?
Q24. The mass and radius of earth are both changed to half. what is the value of gravitational acceleration?
Q25. The magnitude of the induced emf is equal to the rate of change of ...........
Q26. The magnitude of mechanical force acting on a current carrying conductor is proportional to ...........
Q27. The magnitude of force on current carrying conductor is the highest when the direction of current is
Q28. The magnification produced by a mirror is 2. The image formed by the mirror is
Q29. The magnetic flux through the coil changes from 120 wb to 240 wb, when magnet is moved towards it. If the change occurs in 0.5 s, the emf induced in the coil is
Q30. The magnetic flux linked with a coil of area 0.7 cm2 placed at right angle to a magnetic field of induction 0.3 tesla is
Q31. The magnetic field produced by a current [Rs 2R1 + R2 + R3 + R4] carrying solenoid is
Q32. The loss of time in clocks due to heat is maintained by
Q33. The location on the retina of the eye from which the optic nerve leaves the eye is called the
Q34. The liquid flow is less easy if
Q35. The level of water in sea rises and falls due to
Q36. The lens of the human eye becomes progressively cloudy resulting in blurred vision is called
Q37. The length of the wire is doubled, what is the change in its resistivity?
Q38. The law of conservation of momentum states that the momentum of a system
Q39. The ionizing power of alpha ray is
Q40. The ionizing power of gamma rays is
Q41. The jumping of electron from higher to lower energy state determines what?
Q42. The induced emf is independent on ...........
Q43. The important factor for the sustained nuclear chain reaction stops is called ............
Q44. The imaginary vertical plane passing through the magnetic of a freely, suspended bar magnet is ............... .
Q45. The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?
Q46. The human eye function like a
Q47. The horizontal distance between the point of projection and the hitting point on the ground is
Q48. The high density of atomic nucleus shows that the nuclear matter is in what state?
Q49. The heat loss in a transformer during transmission is ...........
Q50. The heat gained or lost by a body resulting in a change in temperature is called