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Physics

Physics
Which compressor is usually used in AC?

Reciprocating
Centrifugal
Axial
Rotary

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Physics
Atomic packing factor of body centred cubic structure (bcc) is

0.69
0.63
0.68
0.73

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Physics
A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 )

40J
400J
20 J
200J

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Physics
Increased wind speed is accompanied by a reduced air ________

Aridity
Pressure
Humidity
Density

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Physics
At what temperature do the Fahrenheit and Celsius scales give the same reading?

-40 degreees
0 degreees
212 degrees
32 degreees

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Physics
Stars in the sky appear to twinkle due to

Multiple diminishing brightness
A series of reflections
A surface tension phenomenon
A series of refractions

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MORE MCQ ON Physics

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