Physics miscellaneous

Physics miscellaneous

Easy Questions

Physics

Mechanics
Heat
Sound
Light
Electricity and Magnetism
Modern Physics
Electronic devices & Communication system
Physics miscellaneous
  1. The oil in the wick of an oil lamp rises up due to:








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    The oil in the wick of an oil lamp rises up due to capillary action.

    Correct Option: A

    The oil in the wick of an oil lamp rises up due to capillary action.

  1. Hydro-electric power is a:








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    Hydro-electric power is a renewable natural resource.

    Correct Option: D

    Hydro-electric power is a renewable natural resource.

  1. When hot liquid is poured into a thick glass tumbler, it cracks because glass :








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    When hot liquid is poured into a thick glass tumbler, it cracks because glass is a bad conductor of heat so only inner surface expands.

    Correct Option: A

    When hot liquid is poured into a thick glass tumbler, it cracks because glass is a bad conductor of heat so only inner surface expands.

  1. A solid needle placed horizontally on the surface of the water floats due to








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    A solid needle placed horizontally on the surface of water floats due to surface tension of water.

    Correct Option: C

    A solid needle placed horizontally on the surface of water floats due to surface tension of water.

  1. For which of the following substances, the resistance decreases with increase in temperature?








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    Nichrome has high resistance and it is called a resistor.

    Correct Option: C

    Nichrome has high resistance and it is called a resistor.