EASY
Earn 100

What is natural frequency in simple words?

Important Questions on Sound

EASY
Science>Physics>Sound>Natural Frequency
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of their frequencies?
MEDIUM
Science>Physics>Sound>Natural Frequency
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
EASY
Science>Physics>Sound>Natural Frequency
What do you understand by monotone?
EASY
Science>Physics>Sound>Natural Frequency

Give reasons:

We can recognise our family members from their voice without seeing them.

MEDIUM
Science>Physics>Sound>Natural Frequency
You recognise your friend by hearing his voice on a telephone. Explain.
HARD
Science>Physics>Sound>Natural Frequency
Discuss three factors which differentiate between sound coming from different sources. 
EASY
Science>Physics>Sound>Natural Frequency
Draw a waveform for musical sound.
MEDIUM
Science>Physics>Sound>Natural Frequency
A monotone is unable to deliver the message imparted by the orator. Give reason?
EASY
Science>Physics>Sound>Natural Frequency
State the factors that determine the quality of sound.  
EASY
Science>Physics>Sound>Natural Frequency

What is meant by the quality (or timbre) of sound? On what factor does the quality (or timbre) of a sound depend?

EASY
Science>Physics>Sound>Natural Frequency
What is noise pollution? How is it caused?
EASY
Science>Physics>Sound>Natural Frequency
Note is a sound:
EASY
Science>Physics>Sound>Natural Frequency
Which characteristic of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
MEDIUM
Science>Physics>Sound>Natural Frequency
Write three differences between a musical sound and noise.
EASY
Science>Physics>Sound>Natural Frequency
What do you understand by the quality of sound or timbre?
MEDIUM
Science>Physics>Sound>Natural Frequency
What are the harmful effects of noise pollution?
EASY
Science>Physics>Sound>Natural Frequency
A man is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in: a city or a village
MEDIUM
Science>Physics>Sound>Natural Frequency
A musician recognises the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
EASY
Science>Physics>Sound>Natural Frequency
Cotyledons are also called-
EASY
Science>Physics>Sound>Natural Frequency
What is meant by the quality of sound?