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PHYSICS
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1. Sun light reaches earth about ?
Answer :- 500 Second
2. The common techniques employed in determining the age of archaeological specimen is ?
Answer :- Radio-carbon dating
3. Solder is an alloy of ?
Answer :- Tin and lead
4. Which one of the following is the highest energy?
(Blue light, Green light, Red light, Yellow light)
Answer :- Blue light
5. Who discovered law of electrolysis?
Answer :- Dalton
6. The lens used for correcting long sight?
Answer :- Convex
7. Which is India's first communication satellite?
Answer :- Apple
8. The colour of star is an identification ?
Answer :- Temperature
9. Who invented Mercury thermometer?
Answer :- Galoriel-D-Fahren Heit
10. The unit of Electric conductance?
Answer :- Siemens
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