Question # 1

an electrolytic capacitor is used to store large amounts of charge at:

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low voltage

high voltage

neutral

positive

The water waves obey the laws of:

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Reflection

Refraction

Diffraction

All of these

If a charged body is brought near a negatively charged electroscope and the leaves of electroscope diverge, then the body is:

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Positively charged

Negatively charged

Neutral

None of these

The product of frequency and wavelength is equal to:

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Time period

Amplitude

Wave speed

Wave energy

The ray of light striking to the side of prism is called:

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refraction ray

incident ray

reflected ray

emergent ray

At mean position kinetic energy of the ball is:

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Minimum

Zero

Maximum

10 J

A thermistor is a dependent resistors:

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Heat

temperature

energy

mass

Totally reflecting prism is used in:

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periscope

binoculars

periscope and binocular

telescope

The value of acceleration in simple harmonic motion at mean position is

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Maximum

Zero

10 N

Both a , b

Boolean expression for AND operation is:

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X = A̅

X = A + B

X = A . B

X = A̅B̅

A paper capacitor is usually available in the form of:

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Tubes

Rolled foil

Disc

Plates

For a normal person audible frequency range for sound wave lies between:

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10 Hz and 10kHz

20Hz and 20 kHz

25 Hz and 25 kHz

30Hz and 30 kHz

When a heavy nucleus splits into, lighter nuclei, the process would .

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Release nuclear energy

Absorb nuclear energy

Release chemical energy

Absorb chemical energy

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