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Physics

Physics
Magnetic domains normally occur in

All of these
Silver
Iron
Copper

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Physics
Red is used as an emergency or danger signal as

It has very high energy
It is scattered
Its wavelength is the longest
It is a striking colour

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Physics
It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?

Pascal's law
Newton's third law
Law of inertia
Newton's second law

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Physics
What is the wavelength of visible spectrum ?

8500 A° – 9800 A°
7800 A° – 8000 A°
1300 A°–3000 A°
3900 A° – 7600 A°

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Physics
Instruments for measuring Solar Radiation?

Anemometer
Dynamometer
Ammeter
Pyranometer

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Physics
Which is a common first indicator of an approaching thunderstorm?

Heavy wind
Lightning
A buildup of dark clouds
Too hot

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MORE MCQ ON Physics

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