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Physics

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

700 nm
7 nm
70 nm
0.07 nm

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Physics
When the barometer reading dips suddenly, it is an indication of

Storm
Hot weather
Dry weather
Calm weather

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Physics
When heated from 0 to 100oC volume of a given mass of water will :

Increase and then will decrease
Decrease and then will increase
Decrease gradually
Increase gradually

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Physics
Which of the following phenomenon helps to conclude that light is a transverse wave?

Diffraction
Interference
Refraction
Polarisation

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Physics
For accurate scientific work, temperatures are often measured by

Mercury thermometers
Platinum resistance thermometers
Thermoelectric thermometers
Alcohol thermometers

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Physics
Which one of the following is responsible for the working of Newton's colour disc experiment ?

Persistence of vision
Formation of pure spectra
Principle of complementary colour
Formation of impure spectra

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MORE MCQ ON Physics

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