What is the longest lasting synthetic periodic element?
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The throbbing caused by sounds of slightly different frequencies that results because of periodic constructive and destructive interference is called:
How can light be defined in simplest form?
Explain what is relation between magnetic and electricity and why?
What is radium used for?
What is the purpose served by ventilation in building ?
Define Nucleus?
What is free fall acceleration?
to find the temperature of the sun, the following law is used 1. Charles'law, 2. Stefan's fourth power law of radiation, 3. Boyle's law, 4. Kirchhoff's law
How does the elevation and air pressure affect the boiling point of water?
What is the physical significance of biot numbers?
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Why is mercury used in thermometers rather than water?
What is refraction of light?