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6. One electron volt is equal to (NTSE Madhya Pradesh, Stage-I, 2014-15)
1.6 x 10-19 joule
16 x 10-19 joule
1.6 x 10-10 joule
1.6 x 10-9 joule
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7. When we rub our hands, which of the following is true? (NTSE Madhya Pradesh, Stage-I, 2014-15)
Kinetic energy converted to heat energy
Heat energy converted to mechanical energy
Mechanical energy converted to heat energy
Heat energy converted to kinetic energy
8. Which is the important constituent (95%) of natural gas? (NTSE Madhya Pradesh, Stage-I, 2014-15)
Methane
Propane
Ethane
Chlorine
9. Which of the following is electromagnetic in nature? (NTSE West Bengal, Stage-I, 2014-15)
α-ray
β-ray
γ-ray
Cathode ray
10. In a nuclear reaction given below the total energy released is 355 keV and the binding energy of electron is 35 keV. The energy E of the neutrino will be (NTSE Bihar, Stage-I, 2014-15)
E < 355 keV
E = 355 keV
E> 355 keV
None of these
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