General Science Test 8

General Science

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1. How electric bulb emits light ?

 
 
 
 

2. Why lightni ng coinductors are fixed at the top of high buildings ?

 
 
 
 

3. Which of the following is the function of skin in the human body?

 
 
 
 

4. Why does an electric bulb make a bang when it is broken ?

 
 
 
 

5. Why is fire extinguished by soda bicarbonate ?

 
 
 
 

6. Why does not all the ink run out of fountain pen when it is left wwiitthh nib downwards and the cover off ?

 
 
 
 

7. Why doe3 radio reception improve after sunset ?

 
 
 
 

8. What is the quantity of fresh, air required for a man ?

 
 
 
 

9. Green mainure is the name given to the

 
 
 
 

10. Why light, passing thrcugh a glass prism, produces a coloured pattern on the wall ?

 
 
 
 

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