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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 diameter of a car tyre is 0.8 m moving with an angular velocity 20 rad S–1 has a linear velocity
Q2. The density of nucleus is very high. This shows that nuclear matter is in ............
Q3. The current that flows in the nerves of the, human body is of the order of
Q4. The critical angle of incidence is 30 degree when light travels from diamond to air. What is the refractive index of a diamond?
Q5. The critical angle of diamond is 24.4 degree. Calculate its refractive index. [ Sin 24.4 degree = 0.41]
Q6. The critical angle for a medium is 60 degree, what is the refractive index of medium?
Q7. The commonly used safety fuse wire is made of
Q8. The coolidge tube is evacuated up to ...........
Q9. The common unit of measuring calorific ‘value is
Q10. The colours that we see around us are the colours
Q11. The closest position of the planet from the sun is
Q12. The change of solids directly into vapour is known as
Q13. The change in magnetic flux of both coils A and B is same. If the time taken is more in coil A, the emf induced in A is the emf induced in B.
Q14. The change in magnetic flux linked with the coils A and B is same if the time taken to bring this change is more for the coil A, the emf induced in A is the emf induced in B
Q15. The change in angular velocity of a bicycle is 20 rad. S–1 in 5S. What is the angular acceleration of the bicycle?
Q16. The centripetal force required for a car to go round a circular curve depends on its
Q17. The boiling point of water inside the pressure cookers
Q18. The boiling point of alcohol is
Q19. The body which does not gain its original shape after the removal of deforming force is called
Q20. The blue colour of the sky is due to scattering of
Q21. The biggest fragments of rocks or metals which are not completely burnt and manage to hit the earth are
Q22. The bending of light ray due to change in its speed is
Q23. The atoms of all elements are made up of which atom according to Prout’s model?
Q24. The atomic weight of elements were
Q25. The apparent random wavering of objects is due to
Q26. The angular velocity of a particle undergoing circular motion of radius 5 cm completes one revolution in 0.1 sec is .......
Q27. The angle of refraction is
Q28. The angular acceleration is
Q29. The angle of incidence of a light on a plane mirror is q, the angle between the incident and reflected ray is 70 degree. What is the value of q?
Q30. The angle of elevation of the sun to see the primary rainbow above ...........
Q31. The angle of contact for pure water and clear glass is
Q32. The angle between the two lateral surface of a prism is called
Q33. The angle between the incident and emergent ray is called
Q34. The Andromeda galaxy is at a distance of ........ light years from each.
Q35. The ampere - second stands for the unit of
Q36. The amount of work done against friction to slide a box in a straight line across a uniform, horizontal floor depends most on the [w = f × d]
Q37. The amount of heat required to raise the temperature of a unit of a material by 1º C is called specific heat capacity.
Q38. The amount of heat required to change a unit mass of solid into liquid without changing its temperature is
Q39. The amount of heat generated by current of 0.5 A flowing through a coil of resistance 6 ohm in one minute is
Q40. The amount of heat energy absorbed by a substance is denoted as
Q41. The amount of ....... in the old articles describes its age
Q42. The aircraft experiences an upward force because of
Q43. The air resistance on a falling body depends on
Q44. The acceleration of an object on free fall is independent of its
Q45. The ability of. the eye lens to adjust its focal length is called
Q46. Television occupies frequency bands on either side of ......... region.
Q47. Surface tension of the oil is ......... that of water.
Q48. Sun is a natural source of
Q49. Sun appears to be risen before the actual sunrise how?
Q50. SONAR works on which principle?