Tag: science & technology

Questions Related to science & technology

Who invented typewriter?

general knowledge science & technology

  1. Shockley

  2. Pascal

  3. Sholes

  4. Waterman

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Correct Option: C

The first attempt in printing was made in England by
general knowledge science & technology

  1. James Arkwright

  2. James Watt

  3. William Caxton

  4. Isaac Newton

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Correct Option: C

What is the mass of elctron ?
general knowledge science & technology

  1. 9.1 * 10 power (-31)

  2. 1.9 * 10 power (31)

  3. 1.6 * 10 power (-31)

  4. 1.6 * 10 power (-19)

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Correct Option: A

What is Charge on Electron
general knowledge science & technology

  1. 9.1 * 10 power (-31)

  2. 1.6 * 10 power (-19)

  3. 9.1 * 10 power (-19)

  4. -1.6 * 10 power (-19)

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Correct Option: D

Who invented the electron
general knowledge science & technology

  1. Richard Laming

  2. Rutherford

  3. J. J. Thomson

  4. Hizenburg

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Correct Option: C

What is the unit of ration e/m for electron
general knowledge science & technology

  1. C/g

  2. C/Kg

  3. Dimensionless

  4. C/Pound

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Correct Option: B

What is the spin angular moment of electron
general knowledge science & technology

  1. 1/2

  2. 0

  3. -1/2

  4. 1

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Correct Option: A

Which colour of the rainbow has the longest wavelength?

general knowledge science & technology

  1. Red

  2. Yellow

  3. Green

  4. Violet

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Correct Option: A

Where does indigo dye come from?

general knowledge science & technology

  1. plant

  2. steel

  3. stone

  4. water

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Correct Option: A

the colour purple is traditionally associated with what?
general knowledge science & technology

  1. royalty

  2. loyalty

  3. peace

  4. courage

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Correct Option: A