I.FILL IN THE BLANKS: (15x1=15)
1. The SI unit of pressure is _______.
2. At sea level, the height of the mercury column is _______mm in a mercury
barometer.
3. The expansion of psi is _____.
4. The lactometer works on the principle of ______of milk.
5. The symbol used to denote density is _______.
6. A drinking straw works on the existence of _____.
7. If an electron is removed from an atom,the atom becomes_______charged.
8. One pico coulomb is equal to ________C.
9. The direction of the induced current was given by _____law.
10. A dynamo converts ______energy into __________energy.
11. The abbreviation of MRI is________.
12. On entering in an optically rarer medium from an optically denser
medium,the speed of light______.
13. The coin inside the water appearing slightly raised is due to the
phenomenon of ______of light.
14.__________is regarded as the Father of Fiber Optics.
15. In India, the voltage and frequency of AC used for domestic purpose is
_________ and _______.
C
plspls ans fast
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Answer:
1. Newton
that s the answer of que no. 1
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