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Physics

Physics
Universal gates are

AND and XOR
AND and OR
OR and NOT
NAND and NOR

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Physics
Sound waves in air are

transverse
polarised
electromagnetic
longitudinal

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Physics
An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?

Ve = Vp
Ve < Vp
Cannot be determined
Ve > Vp

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Physics
Conversion of sound energy into electrical energy is done by

Solar cell
Gramophone
Loudspeaker
Microphone

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Physics
Which of the following has got more heat capacity ?

Gold piece
Iron piece
Water
Benzene

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Physics
The value of coefficient of restitution in perfectly elastic collision is

1
2
0.5

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