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Know It Here Latest Questions

knowithere
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knowithere
Asked: June 8, 2020
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A water pump cannot lift water more than 10 meter high from earth surface. Why?
  1. Sagar poudel LEVEL 21

    This is because the positive displacement pump creates a partial vacuum on the suction side and atmospheric pressure then pushes the water up into the void. It cannot push the water any higher than the static head produced by atmospheric pressure, no matter how good the vacuum produce in the pump.

    This is because the positive displacement pump creates a partial vacuum on the suction side and atmospheric pressure then pushes the water up into the void. It cannot push the water any higher than the static head produced by atmospheric pressure, no matter how good the vacuum produce in the pump.

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Question Bank
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Question BankLEVEL 1
Asked: August 30, 2020In:
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a) Kinetic energy is zero b) Potential energy is zero c) Kinetic energy is minimum d) Potential energy is minimum

a) Kinetic energy is zero
b) Potential energy is zero
c) Kinetic energy is minimum
d) Potential energy is minimum

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  1. Sweety

    Potential energy is minimum

    Potential energy is minimum

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Kabin 2.0
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Kabin 2.0
Asked: September 11, 2020In:
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  1. Kabindra Dhakal LEVEL 1

    The two slits in this position will emits different waves as the wavelength of blue and green lights are quite different. The sources are no longer coherent, hence there will be no interference.

    The two slits in this position will emits different waves as the wavelength of blue and green lights are quite different. The sources are no longer coherent, hence there will be no interference.

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Question Bank
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Question BankLEVEL 1
Asked: September 25, 2020In:
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A) Motherboard B) System Unit C) Peripheral D) RAM

A) Motherboard

B) System Unit

C) Peripheral

D) RAM

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  1. knowithere LEVEL 21

    Option B is the correct answer!!! The box that contains the central electronic components of the computer is the System Unit.

    Option B is the correct answer!!!

    The box that contains the central electronic components of the computer is the System Unit.

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Question Bank
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Question BankLEVEL 1
Asked: May 12, 2020
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physicsscience
  1. knowithere LEVEL 21

    The attraction force of the earth on the objective toward in centre with in it gravitational field is called gravity.

    The attraction force of the earth on the objective toward in centre with in it gravitational field is called gravity.

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Kabin 2.0
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Kabin 2.0
Asked: September 14, 2020In:
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  1. Kabindra Dhakal LEVEL 1

    When fan is switched off, current decreases rapidly so that large change in magnetic flux occurs and large self induced emf is set up producing spark.

    When fan is switched off, current decreases rapidly so that large change in magnetic flux occurs and large self induced emf is set up producing spark.

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Kabin 2.0
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Kabin 2.0
Asked: May 12, 2020
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  1. Shyam Stha LEVEL 21

    When a body is thrown vertically upward at the highest point velocity is zero but there is acceleration.

    When a body is thrown vertically upward at the highest point velocity is zero but there is acceleration.

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