What is light? And: Light is an energy, which gives us sensation to vision. What is the reflection? When a ray of light falls upon a plain surface it gets bounced back from its surface is called reflection. What...
QUESTION 7.Even after a century of ____ investigation, the relation of the solar cycle to terrestrial weather remains ____ . A. meticulous - apparent B. cursory - clear C. sedulous - pertinent D. extensive...
The finely powdered ore is added to water in a tank containing pine oil. The mixture is agitated by blowing a blast of air. The ore particle preferentially wetted by oil come to the surface with froth...