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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