A concave lens can only form a virtual image. The correct option among all the options that are given in the question is the third option or option "C". Concave lenses are mostly thinner in the middle compared to its edges. I hope that this answer has come to your help.
Answer:a sound wave in a certain material is 18.0 cm. The
frequency of the wave is 1900 Hz. What is the speed of
Explanation:
Answer:
c glass
Explanation:
beacause glass is transparent and it would be easier to for refraction
<span>Black holes must have a mass THREE or more times the mass of the Sun.</span>
