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Physics

Physics
Acceleration is the rate of change of

Velocity
Speed
Jounce
Jerk

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Physics
X–rays are

Neutral particles
None of these
Positively charged particles
Negatively charged particles

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Physics
An electric fuse is based on

The magnetic effect of the current
The heating effect of the current
The chemical effect of the current
All of these

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Physics
Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly

Reflect back the heat given by earth
Absorb heat from the atmosphere send it towards earth
Produce heat and radiate it toward earth
Prevent cold waves from the sky descending on earth

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Physics
The device which transfer the signal from low resistance region to high resistance region is

Diode
Transistor
Capacitor
Inductor

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Physics
The commonly used coolant in refrigerators is

Ammonia
Nitrogen
Freon
Oxygen

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MORE MCQ ON Physics

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