GK Physics 3

General Knowledge – Physics

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1. While checked with a multimeter, an open resistor reads –

 
 
 
 

2. In amplitude modulation –

 
 
 
 

3. Minority carrier in P-type semiconductor is –

 
 
 
 

4. Which one of the following allotropes of carbon is used for cutting and drilling?

 
 
 
 

5. The blue colour of the clear sky is due to –

 
 
 
 

6. Which of the following is used in semi-conductors?

 
 
 
 

7. The power of lens is – 2D. What is its focal length?

 
 
 
 

8. X-rays comprise of:

 
 
 
 

9. Pulley in a belt drive acts as –

 
 
 
 

10. Which one of the following is a vector?

 
 
 
 

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