| 1 |
Leslie cube have faces: |
|
| 2 |
Leslie's cube is filled with |
- A. Cold water
- B. Hot water
- C. Mercury
- D. Air
|
| 3 |
On hot days cold air from sea began to move towards land: |
- A. Sea breeze
- B. Land breeze
- C. Both A and B
- D. None of these
|
| 4 |
See breeze blows form sear to land during: |
- A. day
- B. night
- C. after noon
- D. morning
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| 5 |
Which gas behaves as glass or polythene to radiation: |
- A. Nitrogen
- B. Hydrogen
- C. Carbon di oxide
- D. Methane
|
| 6 |
On heating Air becomes. |
- A. Heavier
- B. Lighter
- C. Remain same
- D. None
|
| 7 |
Land and Sea breezes are the results of: |
- A. Conduction
- B. Convection
- C. Radiation
- D. Conduction and radiation
|
| 8 |
Thermal conductivity of iron is Wm<sup>-1</sup> K<sup>-1</sup> |
|
| 9 |
False celling is done to |
- A. Lower the height of ceiling
- B. Keep the roof clean
- C. cool and room
- D. Insulate the ceiling.
|
| 10 |
Metals are good conductor of heat dut to the: |
- A. Free electron
- B. Big size of their molecule
- C. Small size of their molecules
- D. Rapid vibrations of their atoms
|