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Physics

Physics
One billionth of a second is called

Nanosecond
Microsecond
Millisecond
Picoseconds

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Physics
In quantum mechanics a particle is represented by a

Particle
Wave packet
Wave
None of these

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Physics
Which of the following is an insulator?

Mercury
Germanium
Carbon
Glass

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Physics
Red light has a wavelength of 70 A°. In "nm" it is

70 nm
0.07 nm
700 nm
7 nm

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Physics
Purity of a metal can be determined with the help of

Archimedes principle
Boyle's law
Pascal's law
Conservation of mass principle

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Physics
What apparatus is used to locate a submerged object?

Pulsar
Sonar
Radar
Quasar

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