Optical fibre works on which of the following principle of light?

Subject

General Awareness

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

36.

Which of the following disease is non-communicable in nature?

  • Chlorea

  • Chicken-pox

  • Tuberculosis

  • Cancer


37.

Electric Motor converts ................ energy to mechanical energy.

  • sound

  • mechanical

  • chemical

  • electrical


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38.

Optical fibre works on which of the following principle of light?

  • Reflection

  • Refraction

  • Diffraction

  • Total internal reflection


D.

Total internal reflection


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39.

Which key is used to move to next line in Ms-Word document?

  • Enter key

  • Escape key

  • Shift key

  • Return key


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40.

In which industry Potassium Nitrate is used commercially?

  • Glass Manufacturing

  • Electroplating

  • Fire Cracker Manufacturing

  • Leather Industry


41.

Which of the following is not an example of Allotrope?

  • Diamond

  • Graphite

  • Ozone

  • Steel


42.

Which of the following three R's are regarded as environment friendly?

  • Reduce - Reuse - Recycle

  • Reduce - Reuse - Reutilize

  • Recollect - Reuse - Reutilize

  • Reduce - Renew - Retuilize


43.

In which of the following city 'Urja Ganga', 1500 km long gas pipeline project has been launched in October, 2016?

  • Ahmedabad

  • New Delhi

  • Ghaziabad

  • Varanasi


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44.

Who invented Pentium Chip?

  • C. Kumar Patel

  • Tom Gunter

  • Vince Emery

  • Vinod Dham


45.

What is the duration (in minutes) of one-half of a football match?

  • 30 minutes

  • 35 minutes

  • 40 minutes

  • 45 minutes


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