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Physics

Physics
What type of lens is used in a magnifying glass

Plano-concave
None of these
Concave
Convex

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Physics
An aircraft can perform aerobatic manoeuvres in a vertical loop because of

Centrifugal force
Weight
Gravity
Centripetal force

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Physics
The cause for the Tsunami, as deduced by the seismologists, is

Low pressure trough in the ocean
Gravitational pull of the moon
Sudden change in the monsoon wind
Deformation of sea floor and vertical displacement of water

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Physics
Name the process of production of energy in the Sun

Ionization
Nuclear fusion
Radioactivity
Nuclear fission

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Physics
Heat from the sun reaches earth by the process of

Radiation
Convection
Conduction
All of these

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Physics
Which phase change is an example of an exothermic process?

All listed here
Gas to Solid
Liquid to Solid
Gas to Liquid

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