Advertisements
Advertisements
प्रश्न
Two observers are stationed in two boats 4.5 km apart. A sound signal sent by one, under water, reaches the other after 3 seconds. What is the speed of sound in the water?
Advertisements
उत्तर
Distance of boats d = 4.5 × 103 m
= 4500 m.
Time t = 3 s
Speed of sound in water = `"d"/"t"` = `4500/3`
= 1500 m/s
APPEARS IN
संबंधित प्रश्न
Why is sound wave called a longitudinal wave?
Write true or false for a given statement.
Female voice is shriller than the male voice.
Fill in the blank.
We can hear sounds of frequency in the range of _______
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
What is sound? How is it produced?
In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.
What do you mean by the audible range of frequency?
What is the effect of temperature and pressure on the speed of sound in a gas?
A person hearing at one end of a long metal bar hears two distinct sounds when the other end is struck with a stone. Explain, giving scientific reasons
