Name any two modern branches of Physical Science
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The dark lines in the solar spectrum are due to 1 Absorption of corresponding wavelengths by the prism used in he spectrograph 2 Destructive interference between waves of certain definite wavelengths 3 Absorption of corresponding wavelengths by the outer layers of the sun 4 None of these
why our head's weight not feel our body?
Conversion of a substance directly from solid to vapour state is known as 1 Ionization 2 Evaporation 3 Vapourisation 4 Sublimation
what is CAPITA in accounts?
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
What is meant by Incidental Correlation?
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Which of the following roofs provide better protection against heat? 1 Cement slab 2 Asbestos sheets 3 Reinforced concrete 4 None of these
Who is the first female cosmonaut?
In vulcanization, natural rubber is heated with 1 Carbon 2 Sulphur 3 Silicon 4 Phosphorus
Who is the oldest cosmonaut?
Which synthetic fiber is known as artificial silk? 1 Cotton 2 Rayon 3 Terylene 4 Nylon
what is the smallest fish?