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Physics

Physics
Conversion of sound energy into electrical energy is done by

Loudspeaker
Microphone
Gramophone
Solar cell

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Physics
Choose the most appropriate answer: Natural radioactivity was discovered by

Enrico Fermi
Henry Bacquerel
Marie Curie
Earnest Rutherford

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Physics
At boiling point of liquids, its

Temperature remains constant
Vapour pressure decreases
Temperature increases
Atmospheric pressure increases

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Physics
Which of the following is a conductor of electricity ?

Benzene
Pure water
Rubber
Salt water

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Physics
Which of the following characteristics of light remains unchanged when light travels from vaccum enters water

Wavelength
Frequency
Amplitude
Speed

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Physics
Energy stored in the nucleus of an atom is called

Kinetic energy
Potential energy
Nuclear energy
Atomic energy

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