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Basic Concepts of Physics
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Basic Concepts of Physics
A specific mass of pure water is frozen to form completely transparent ice, in the shape of a lens. When forced underwater, the lens diverges light. What is the shape of the lens?
Concave lens
Convexo-concave lens
Cylindrical lens
Convex lens
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Basic Concepts of Physics
In which process, the photon emits to produce laser beam
Induced absorption
Spontaneous emission
Induced emission
All of these
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Basic Concepts of Physics
The wire of an electric lamp has a
High resistance and a high melting point
High resistance and a low melting point
Low resistance and a low melting point
Low resistance
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Basic Concepts of Physics
What type of EM radiation gives people tans?
Gamma
infrared
Ultraviolet
visible
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Basic Concepts of Physics
The restoring force is always directed towards the
Initial position
Final positions
Rest position or mean position
All of these
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Basic Concepts of Physics
What Greek letter is used to denote frequency?
Lambda
Nu
Phi
Kappa
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