GK Physics 3

General Knowledge – Physics

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


2. X-rays comprise of:


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


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


5. Pulley in a belt drive acts as –


6. In amplitude modulation –


7. Which one of the following is a vector?


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


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


10. Minority carrier in P-type semiconductor is –


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