The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Heat, Light and Sound — quick quiz

5 MP TET-pattern questions on Heat, Light and Sound. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Medium

In a science experiment, students find that sound travels faster in steel railway tracks than in air. If sound travels at approximately 330 m/s in air at room temperature, approximately how much faster does it travel in steel?