physics general questions
What is the main constituent of coal gas?
A. Oxygen
B. Water
C. Nitrogen
D. Methane
12. Recoil of a gun is an example of
A. Conservation of mass
B. conservation of energy
C. conservation into KE
D. conservation of linear momentum
13. What is the heaviest of the naturally occurring Noble gases?
A. Radon
B. Xenon
C. Helium
D. Argon
14. Aviation fuel for Jet aero planes consists of purified
A. Petrol
B. Kerosene
C. Gasoline
D. Diesel
15. A piece of stone and or iron traveling through space that moves through the earth’s atmosphere is
A. Planet
B. Sun
C. Moon
D. Meteor
16. Which one of the following common devices works on the basis of the principle of mutual induction?
A. Tube light
B. Transformer
C. Photodiode
D. Led
17. Dc current can be controlled by which one of the following components?
A. Impedance
B. Resistance
C. Capacitance
D. Inductance
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