MCQ
Choose the correct statement
- AWhile watching television by means of an antenna, a passing nearby aeroplane can produce wavering ghost images in the television picture
- BSolar cells are often coated with a transparent thin film, such as silicon monoxide $(SiO)$ to minimize reflective losses.
- CGlass lenses used in cameras and other optical instruments are usually coated with a transparent thin film, such as magnesium fluoride $\left( MgF _2\right)$ to reduce or eliminate unwanted reflection
- ✓All of these