Question

calculate the temperature at which the root mean square velocity of hydrogen will be equal to 8 km/s. Given that R = 8.31 Jmol -1 K-1​

Answer 1

Answer:

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Answer 2

Answer:

4. State the laws of reflection.

Soln:

The law of reflection states that

a) The angle of reflection and the angle of incidence both are always equal to one another.

b) The reflected ray, the incident ray, and the normal to the reflective surface at the point of incidence all come on

the same plane.