Physics Practice Question and Answer

Q:

Which of the following is false?
Sound waves are _________ waves.

2089 0

  • 1
    Pressure
    Correct
    Wrong
  • 2
    Longitudinal
    Correct
    Wrong
  • 3
    Electromagnetic
    Correct
    Wrong
  • 4
    Mechanical
    Correct
    Wrong
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Answer : 2. "Longitudinal"

Q:

A typical example of a semiconductor is _______?

2084 0

  • 1
    Platinum
    Correct
    Wrong
  • 2
    Germanium
    Correct
    Wrong
  • 3
    Quartz
    Correct
    Wrong
  • 4
    Mica
    Correct
    Wrong
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Answer : 2. "Germanium"

Q:

What is the unit of electric quantity?

2076 1

  • 1
    Om
    Correct
    Wrong
  • 2
    volts
    Correct
    Wrong
  • 3
    ampere
    Correct
    Wrong
  • 4
    Watt
    Correct
    Wrong
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Answer : 3. "ampere"

Q:

Who invented electromagnetic theory? 

2071 0

  • 1
    Thomas Alva addition
    Correct
    Wrong
  • 2
    J. J. Thomson
    Correct
    Wrong
  • 3
    Michael Faraday
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Michael Faraday "

Q:

What type of reflection is made on the cinema screen?

2055 0

  • 1
    virtual image
    Correct
    Wrong
  • 2
    real reflection
    Correct
    Wrong
  • 3
    both
    Correct
    Wrong
  • 4
    All the statements are true
    Correct
    Wrong
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Answer : 2. "real reflection"

Q:

Household appliances based on thermal effect of electric current is-

2047 0

  • 1
    Electric heater
    Correct
    Wrong
  • 2
    Electric bulb
    Correct
    Wrong
  • 3
    Tubelight
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"

Q:

Eye lens is?

2032 0

  • 1
    convergent
    Correct
    Wrong
  • 2
    Divergent
    Correct
    Wrong
  • 3
    convex and concave
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "convergent"

Q:

One Joule is equal to

2028 0

  • 1
    $$ {10^11}erg$$
    Correct
    Wrong
  • 2
    $$ {10^5}erg$$
    Correct
    Wrong
  • 3
    $$ {10^3}erg$$
    Correct
    Wrong
  • 4
    $$ {10^7}erg$$
    Correct
    Wrong
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Answer : 4. "$$ {10^7}erg$$"

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