The atomic bomb is based on the principle of from General Aware

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which of the following quantities is a scalar quantity?

  • Weight

  • Impulse

  • Young's Modulus

  • Acceleration


2.

For every action, there is an equal and and opposite reaction, is Newton's ....................

  • First Law

  • Second Law

  • Third Law

  • Fourth Law

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3.

Which among the following is false about displacement?

  • It can be positive, negative or zero.

  • Displacement is never greater than Distance.

  • Its SI unit is metre.

  • It is always positive.

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4.

Who discovered theory of relativity?

  • Issac Newton

  • Albert Einstein

  • Niel Bohr

  • Michael Faraday

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5.

Which device is used to measure the depth of ocean?

  • Lexometer

  • Nanometer

  • Fathometer

  • Hydrometer

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6.

A person can jump higher on the Moon's surface than on the Earth because

  • the acceleration due to gravity in Moon is smaller than that on the Earth

  • the Moon has no atmosphere

  • the Moon's surface is rough

  • the Moon's surface is rough

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7.

The velocity of light is

  • 3 cross times 10 to the power of 8 space space km divided by straight s
  • 3 space cross times space 10 to the power of 8 space miles divided by straight s
  • 3 cross times 10 to the power of 8 space cm divided by straight s
  • 3 cross times 10 to the power of 8 space cm divided by straight s
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8.

A seconds pendulum is a pendulum whose time period is

  • 4 s

  • 3 s

  • 2 s

  • 2 s

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9.

A jug is filled to the brim with water at 0°. A piece of ice floats in it. The moment the ice melts,

  • water level increases

  • water level decreases

  • water level is unchanged

  • water spills out of the jug

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10.

The atomic bomb is based on the principle of

  • uncontrolled nuclear fusion

  • Uncontrolled nuclear fission

  • controlled nuclear fission

  • controlled nuclear fission


B.

Uncontrolled nuclear fission

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