SI MOdEL GK 2023

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SI MOdEL GK 2023

1. The speed of light through vacuum is ?

1 point

A. 3x10^8 m/sec

B. 3x10 Km/sec

C. 300 m/sec

D. 3000 m/sec

Clear selection

2. Power is generated in nuclear reactors using the principle of ?

1 point

A. Nuclear fission

B. Nuclear fusion

C. Uncontrolled chain reaction

D. None of the above

Clear selection

3. The communication through OPTICAL FIBER is based upon the phenomenon of?

1 point

A.Reflection

B.Total Internal Reflection

C.Refraction

D.Interference

Clear selection

4. The heat of Sun reaches earth by way of?

1 point

A.Conduction

B. Convection

C. Radiation

D. None of the above

Clear selection

5. Which of the following is true?

1 point

A.Electron has no charge

B. Proton has negative charge

C.Neutron has positive charge

D.Proton has positive charge, electron has negative charge and neutron has no charge

Clear selection

Clear form

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