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

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

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Physics
What is a neuron ?

Basic unit of energy
The anti-particle of neutron
Particle released during radioactivity
Basic unit of nervous system

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Physics
Planets do not twinkle because

They are very far away from the earth resulting in decrease in intensity of light
They emit light of a constant intensity
Their distance from the earth does not change with time
They are nearer to earth and hence we receive a greater amount of light.

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Physics
Analog synthesis refers to a technology based on

Representing physical quantities as numbers.
Interfacing synthesizer equipment.
Placing brief digital recordings of live sounds under the control of a synthesizer keyboard.
Representing data in terms of measurable physical quantities.

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