Mirror on which sun rays are falling is moved in such a way that asap and bright spot of light is formed on a paper the concave mirror and the paper are kept in their places for a few minutes then what do you observe explain the reason of your observation?

Explain the consequences of this addiction to the brain tissue

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Drag each tile to the correct box. tiles bra i sequence