long vowel sounds

Let a long coiled spiral spring be suspended horizontally from a wooden frame using a number of threads. Ordinarily, the turns of the spring will be equidistant. On giving a sharp tap to one end of the spring, a few turns will come closer together. This state of compression moves forward..

sound is given by the formula The velocity of sound in iron was determined by two French investigators by striking one end of a long series of connected iron pipes with a hammer and measuring the time interval between the two sounds heard at the other end..

is used before vowel sounds..

Hearing - The immediate and acute effect of noise pollution is impairment of hearing. Damage to the eardrum can be caused by impulsive loud sounds or by prolonged exposure to noise. Long exposure to loud noise may result in hearing loss which may become permane..

The immediate and acute effect of noise pollution is impairment of hearing. Damage to the eardrum can be caused by impulsive loud sounds or by prolonged exposure to noise. Long exposure to loud noise may result in hearing loss which may become permanen..

The persistence of audible sound even after the source has ceased emitting sound is called reverberation. If the reverberation of a sound pulse persists so long as to prolong the sound while several successive pulses are produced, the intelligibil..

Question: Where did the poet meet the solitary reaper? Answer: In Scotland, while walking in the hills, the poet saw an ordinary Scottish girl, single in the field, reaping the crop and singing to herself. It sounded sad and melancholic. The entire valley was echoing and ove..

Sonometer - A sonometer, also called a monochord, was invented by Pythagoras (580-500 B.C.). It is a simple instrument used to verify the laws of stretched strings and to determine the frequency of a tuning fork. It consists of a long hollow rectangular wooden box (w) called the soun..

'. Some examples of the formation of the shockwaves are when (i) a supersonic aircraft flies across the sky (ii) a bullet is shot from a gun. A shockwave is a highly concentrated sound wave and is therefore, a pressure wave. It is this wave of increased pressure that produces a sound..

In a holiday mood - rest and recreation - made for the canal with a friend - pleasant weather - swam for an hour - felt hungry - returned home - had a light breakfast - read newspapers and India Today - had a chit-chat with a cousin - we lunched together - enjoyed a short nap -went to see a Matin..