Explain how manipulation of light waves can cause
reflection, refraction, diffusion, and
absorption; and describe how different media (solid, liquid, or gas) affect wave behavior.

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

The two required components for a generator are

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?