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- Question 1 of 50
1. Question
The instrument that measures and records the relative humidity of air is
- Question 2 of 50
2. Question
The shape of our milky way galaxy is
- Question 3 of 50
3. Question
The different colours of different stars are due to the variation of
- Question 4 of 50
4. Question
The fundamental scientific principle in the operation of battery is
- Question 5 of 50
5. Question
Instrument used to measure the force and velocity of the wind is
- Question 6 of 50
6. Question
Which combination of colour the most convenient during day and night time ?
- Question 7 of 50
7. Question
Woolen clothes keep the body warm because
- Question 8 of 50
8. Question
If the length of a simple pendulum is halved then its period of oscillation is
- Question 9 of 50
9. Question
Equilibrium is a condition that can
- Question 10 of 50
10. Question
While catching a ball, a player pulls down his hands to lower the
- Question 11 of 50
11. Question
Geostationary satellite revolves at-
- Question 12 of 50
12. Question
When a barometer reading suddenly recedes, it indicates that climate-
- Question 13 of 50
13. Question
A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ?
- Question 14 of 50
14. Question
Asteroids revolve round the Sun between which of the following two planets ?
- Question 15 of 50
15. Question
Smog is a general pollutant where
- Question 16 of 50
16. Question
The speed of light’ with the rise in the temperature of the medium :
- Question 17 of 50
17. Question
Clothes keep us warm in winter because they :
- Question 18 of 50
18. Question
In a refrigerator what produces the cooling ?
- Question 19 of 50
19. Question
Why are we able to hear short wave broadcasts better than long wave broadcasts ?
- Question 20 of 50
20. Question
Electron microscope was invented by
- Question 21 of 50
21. Question
A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to
- Question 22 of 50
22. Question
Which of the following is not true for Geostationary Satellite?
- Question 23 of 50
23. Question
When pressure is increased the melting point of ice
- Question 24 of 50
24. Question
Longitudinal waves cannot travel through
- Question 25 of 50
25. Question
Electrostatic precipitator is used to control the pollution of
- Question 26 of 50
26. Question
When two ice cubes are pressed over each other they unite to form one cube, because of
- Question 27 of 50
27. Question
Which of the following parts of the sunlight makes the solar cooker hot ?
- Question 28 of 50
28. Question
If the velocity-time graph of a particle is represented by
y = mt + v, then the partical is moving with - Question 29 of 50
29. Question
Which of the following occurred first?
- Question 30 of 50
30. Question
The animal which uses sounds as its ‘eyes’ is
- Question 31 of 50
31. Question
The sky appears blue because of
- Question 32 of 50
32. Question
Dynamo is a device for converting
- Question 33 of 50
33. Question
The working of the quartz crystal in the watch is based on
- Question 34 of 50
34. Question
Why does a big fire in the open appear to be fanned by strong winds ?
- Question 35 of 50
35. Question
Oil rises up the wick in a lamp because
- Question 36 of 50
36. Question
In the atmosphere ultraviolet rays are absorbed by
- Question 37 of 50
37. Question
In which of the following cryogenic engines are used ?
- Question 38 of 50
38. Question
Who propounded the possibility of placing communications satellites in geosynchronous orbit for the first time ?
- Question 39 of 50
39. Question
What was the name of the space shuttle that landed man on the moon ?
- Question 40 of 50
40. Question
The energy emitted by the Sun is due to
- Question 41 of 50
41. Question
Tungsten is used for the manufacture of the filament of an electric bulb, because
- Question 42 of 50
42. Question
What is the wavelength of visible spectrum ?
- Question 43 of 50
43. Question
Who invented Radar ?
- Question 44 of 50
44. Question
Who measured the velocity of light first ?
- Question 45 of 50
45. Question
When a vehicle passes, TV reception gets distorted. This is because
- Question 46 of 50
46. Question
Which of the following alloy is used in making magnet ?
- Question 47 of 50
47. Question
Where are mesons found ?
- Question 48 of 50
48. Question
For a body moving with non-uniform velocity and uniform acceleration
- Question 49 of 50
49. Question
Lamberts law is related to
- Question 50 of 50
50. Question
Which of the following laws validates the statement that matter can neither be created nor destroyed ?