1 |
The specific heat of water is |
- A. 2100 Jkg-1 k-1
- B. 4200 Jkg-1 k-1
- C. 2500 Jkg-1 k-1
- D. 2010 Jkg-1 k-1
|
2 |
Co-efficient of friction between wood and concrete. |
- A. 0.63
- B. 0.8
- C. 1
- D. 0.9
|
3 |
The formula of y component of force ' F ' is: |
- A. F cos 𝜽
- B. F Sin 𝜽
- C. F tan 𝜽
- D. Tan<sup>-1</sup> 𝜽
|
4 |
A train is moving at a speed 36 kmh<sup>-1</sup> Its speed expressed in ms<sup>-1</sup> |
- A. 10 ms<sup>-1</sup>
- B. 20 ms<sup>-1</sup>
- C. 25m ms<sup>-1</sup>
- D. 30 ms<sup>-1</sup>
|
5 |
Which is expert thermal climber: |
- A. Crow
- B. Sparrow
- C. Hawks
- D. None
|
6 |
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 and b
|
7 |
From following in which device thermostat is used: |
- A. Electroscope
- B. Electric Bell
- C. Electric Iron
- D. Radio
|
8 |
The insulator of heat is: |
- A. Cork
- B. Cotton
- C. Wood
- D. All
|
9 |
Latent heat of fusion is denoted by: |
|
10 |
Minor but rapid change in atmospheric pressure cause: |
- A. Poor condition
- B. Intense condition
- C. Windy condition
- D. Pleasant condition
|