In many countries with cold climates, the municipalities often sprinkle salt on icy roads in winter. Which among the following is the correct reason for this?

A. The Salt inhibits the formation of Ice Crystals
B. The Salt lowers the Freezing Point of water
C. The Salt raises the freezing Point of water
D. The salt provides necessary friction to the tires of the vehicles
✅ The correct answer is option B.

Which of the following statements is not true regarding LASER?

A. A LASER is a device that emits light through a process of optical amplification .
B. LASER beams can be focused to very tiny spots, achieving a very high irradiance.
C. The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies.
D. LASER light is used in bar-code scanners
✅ The correct answer is option C.