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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > Two cars are approaching each other at an equal speed of 7.2 km/hr. When they see each other, both blow horns having frequency of 676 Hz. The beat frequency heard by each driver will be ….. Hz [Velocity of sound in air is 340 m/s.]

Two cars are approaching each other at an equal speed of 7.2 km/hr. When they see each other, both blow horns having frequency of 676 Hz. The beat frequency heard by each driver will be ….. Hz [Velocity of sound in air is 340 m/s.]

both blow horns having frequency of 676 Hz. The beat frequency heard by each driver will be ..... Hz [Velocity of sound in air is 340 m/s.] Two cars are approaching each other at an equal speed of 7.2 km/hr. When they see each other