| 1 |
In atoms and molecules are packed closely together: |
- A. Solids
- B. Gas
- C. Liquid
- D. Plasma
|
| 2 |
Poor conductor of heat is: |
- A. Copper
- B. Aluminium
- C. Water
- D. Iron
|
| 3 |
The device used to stop conduction, convention and radiation: |
- A. Thermometer
- B. Thermo flask
- C. Both
- D. Nil
|
| 4 |
The quantity of heat absorbed by the body depends upon: |
- A. Colour of surface
- B. Nature of surface
- C. Shape of surface
- D. Both a & b
|
| 5 |
The main source of energy in the unierse is: |
- A. Moon
- B. Stars
- C. Sun
- D. Planets
|
| 6 |
Thermos flask, is used to maintain: |
- A. Heat
- B. Temperature
- C. Density
- D. Pressure
|
| 7 |
More radiation is reflected by the surface: |
- A. White
- B. Coloured
- C. Black
- D. Rough
|
| 8 |
What gas behaves as glass or polythene to radiation: |
- A. Nitrogen
- B. Hydrogen
- C. Carbon di oxide
- D. Methane
|
| 9 |
At night , the air from land to begins towards sea called: |
- A. Land breeze
- B. Sea breaze
- C. Both A and B
- D. Radiation
|
| 10 |
Wood, cork, cotton, wool, rubber are the eamples of: |
- A. Conductor
- B. Thermal conductor
- C. Insulator
- D. both a & b
|