| 1 |
Fat is digested in the:
|
Small intestine <br>
Mouth <br>
Large intestine <br>
Spleen <br>
|
| 2 |
Leaves look green, because:
|
Reflect all colours <br>
Absorb all colours reflect green<br>
No effect of light on leaves <br>
Absorb only green <br>
|
| 3 |
A pond of clear water appears less deep than it really is This is due to:
|
Refraction <br>
Reflection <br>
The transparent<br>
Dispersion <br>
|
| 4 |
The blue color of the water the in the sea is due to:
|
Refraction of the blue light by the impurities in sea water<br>
Absorption of other colours except the blue colour by water molecules<br>
Absorption of other colours except the blue colour by water molecules<br>
Scattering of blue light by waters molecules <br>
|
| 5 |
Light travels slower in glass than in air because:
|
Density of glass is less than that of air <br>
Density of glass is greater then that of air <br>
Refractive index of air is less than that of glass <br>
Refractive index of air is less than that of glass<br>
|
| 6 |
A Jet engine works on he principle of conversation of:
|
linear momentum <br>
energy <br>
angular momentum mass <br>
mass <br>
|
| 7 |
The surface temperature of he sun in nearly:
|
2000 K<br>
6000 K<br>
8000 K<br>
4000 K<br>
|
| 8 |
In a pressure cooker cooking is faster because the increase in vapour pressure?
|
increase the boiling point <br>
increase the specific heat<br>
decrease the specific heat<br>
decrease the boiling point <br>
|
| 9 |
In a pressure clicker cooking is faster because increase in vapour pressure:
|
Increase the boiling point<br>
Increase the specific heat<br>
decrease the specific heat<br>
decrease the boiling point<br>
|
| 10 |
A spherical air bubble is embedded in a place of glass, For a ray of light passing through the bubble, it behaves like a:
|
Converging lens <br>
Diverging lens <br>
Piano-converging lens<br>
Piano-diverging lens<br>
|
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