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Q1. When we compress a coil spring. the elastic potential energy
Correct answer : 1
Q2. When white light passes through a dispersive medium what colours have maximum and minimum deviation?
Correct answer : 1
Q3. When will an atom radiate energy?
Correct answer : 1
Q4. When yellow or blue paint is illuminated by white light, the only colour they both reflect is
Correct answer : 2
Q5. Wher.e does the nuclear power reactor situated in Tamil Nadu?
Correct answer : 2
Q6. Where does a controlled chain reaction takes place?
Correct answer : 3
Q7. Where does the centre of gravity die in a triangular body?
Correct answer : 2
Q8. Where does the heat energy for geo-thermal energy resources come from?
Correct answer : 3
Q9. Where is BARC situated?
Correct answer : 3
Q10. Where negatively and positively charged ions free to move constitute current?
Correct answer : 3
Q11. Where should an object be placed in front of a convex lens to get a real image of the object?
Correct answer : 2
Q12. Where should the object be placed in simple microscope?
Correct answer : 1
Q13. Where the weight of an object is at maximum?
Correct answer : 4
Q14. Where to place the objects of small size in a simple microscope in order to get magnified image?
Correct answer : 1
Q15. Where was the first nuclear reactor built in?
Correct answer : 1
Q16. Where was the first nuclear reactor built?
Correct answer : 3
Q17. Where will the image be formed by a concave mirror when an object is placed between the pole and the focus point of the mirror?
Correct answer : 2
Q18. Which are used in telephone and radar?
Correct answer : 4
Q19. Which barometer essentially consists of a thin metal box exhauster of air?
Correct answer : 2
Q20. Which bean is one whose rays remains the same distance apart?
Correct answer : 2
Q21. Which coil is used in DC motor?
Correct answer : 2
Q22. Which colour deviates least in the formation of spectrum by a prism?
Correct answer : 1
Q23. Which colour deviates the most on passing through a prism?
Correct answer : 3
Q24. Which colour is complementary colour of yellow light?
Correct answer : 2
Q25. Which colour is produced by mixing of blue and green?
Correct answer : 1
Q26. Which colour is scattered very less?
Correct answer : 4
Q27. Which colour is strongly scattered by the molecules of air?
Correct answer : 1
Q28. Which colour of light undergoing dispersion travels through the glass with more velocity?
Correct answer : 2
Q29. Which colour will be scattered more?
Correct answer : 4
Q30. Which colours cannot be obtained by mixing the other colours
Correct answer : 1
Q31. Which copper wire has the lowest resistance?
Correct answer : 3
Q32. Which cylinder surrounds the cathode?
Correct answer : 2
Q33. Which device converts electrical into mechanical energy?
Correct answer : 3
Q34. Which device converts electrical into sound energy?
Correct answer : 2
Q35. Which device converts mechanical into electrical energy ?
Correct answer : 3
Q36. Which device converts solar into electrical energy?
Correct answer : 2
Q37. Which device generates an alternating current?
Correct answer : 3
Q38. Which device is used as a stand by during power failures?
Correct answer : 3
Q39. Which device is used to convert electrical energy into sound energy?
Correct answer : 1
Q40. Which device is used to produce electric current?
Correct answer : 1
Q41. Which device is used to test whether a object is charged or not
Correct answer : 2
Q42. Which device uses a split ring commutator?
Correct answer : 4
Q43. Which effect gives stoke’s line?
Correct answer : 3
Q44. Which effect is utilized by an electric bulb?
Correct answer : 3
Q45. Which effect of electric current is used in gold plating of silver jewellery?
Correct answer : 3
Q46. Which element is isolated by curies?
Correct answer : 3
Q47. Which elements exhibit artificial radioactivity?
Correct answer : 3
Q48. Which elements exhibit the phenomenon of natural Radioactivity?
Correct answer : 2
Q49. Which energy a flying bird possesses?
Correct answer : 3
Q50. Which energy is used in artificial satellites?