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Write TRUE if the Statement is correct. Write FALSE if the statement is wrong.



1. Light always travels in straight light

2. The light that strikes a thick cardboard bends and find another way to pass through it

3. A laser is a narrow but powerful beam of light capable of travelling far distances on a straight line.

4. Sound waves travel at different speeds through different media.

5. Radiation depend on the presence of matter to transfer heat.​