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Physics

Physics
Anemometer is an instrument meant for measuring ________

Velocity
Temperature
Wind speed
Air masses

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Physics
Which of the following devices can be used to detect radiant heat ?

Liquid thermometer
Thermopile
Six's maximum and minimum thermometer
Constant volume air thermometer

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Physics
Which of the following causes adiabatic temperature changes in atmosphere?

Deflection and advection
Latent heat of condensation
Expansion and compression of the air
Partial absorption of solar radiation by the atmosphere

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Physics
A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance

Will increase
Varies with the increase of depth of the immersion of the iron piece
Will decrease
Does not change

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Physics
The resistance of the human body (dry condition) is of the order of

103 Ohm
None of these
101 Ohm
102 Ohm

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Physics
Stars are held together by

Electrical forces
Gravitational forces
Ionic forces
Magnetic forces

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