Question

C. Read the given passage and identify the incorrect parts.
The amplitude of vibration of a sound wave determines its pitch. Higher the frequency of the sound wave,
lower is its pitch and hence shriller is the sound produced. Similarly, a sound wave of lower frequency has
low pitch and hence a shriller sound is produced. For example, a man's voice is shriller than a woman's
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Answer 1

Answer:

3) Why is the 12th century temple famous?

Answer 2

When you are in school, you come to know when the period gets over. When someone rings the doorbell at your door you can hear the sound. Suppose if someone approaching you, you can make it out by hearing the footsteps itself. Sound plays an important role in our daily lives. You hear many types of sound in our surroundings. How is the sound audible to you? Let us discuss these characteristics of sound in detail.

Characteristics of Sound

The sound that we hear around us is the type of energy made by the vibration that travels through the air or any other medium and can be heard when it reaches a person’s ear. So, basically sound helps us to communicate with the other person. For example, we can hear the musical instruments like tabla, flute, a guitar due to vibration. The characteristics of sound are as follows:

Pitch

Loudness

Quality

Vibrating Parts of Musical Instruments

Veena – Stretched string

Tabla – Stretched membrane

Drum – Stretched membrane

Shehnai – Air Column

Flute – Air Column