Explain when is fluorescence strong?
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What percentage of mind Albert Einstein used ?
Does water drain counterclockwise in the northern hemisphere and clockwise in the southern hemisphere?
What path does an asteroid take?
what does quantity of matter in an object denote
Explain about Magnetic mines
Explain the Use of manometer.
why velocities of x rays and gamma rays are same inspite they have different wavelengths and frequencies
A truck travels 420 m. Each tire on the truck has a diameter of 42 cm. If one revolution of a tire is equal to 2? Times the radius of the tire (in meters), which of the following equations shows how many revolutions each tire makes as the distance is traveled?
Explain what does hull speed mean?
Explain what is centrifugal force?
which one of the following does a tv remote control unit used to operate a tv ? a)light waves b) sound waves c) micro waves d) radio waves
What is the purpose served by ventilation in building ?