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Section - B
Attempt any Four
A man shouts loudly close to a high wall. If man is at 40 m from th
echo be heard? (Speed of sound in air = 330 m/s)
Define amplitude & period.
State the principle of superposition of charges. State the formula
If focal length of objective is 1 m & mi length of telescope is 1.05m.
Draw a neat labelled diagram for angular dispersion through a pris
State any four characteristics of transverse wave.
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Answer 1

Answer:

Q define amplitude and period

Explanation:

Amplitude :

the maximum displacement of the medium of their original undisturbed position is called Amplitude .

period :

time taken to complete one vibration is called time period .

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Answer 2

Answer:

Four characteristics of transverse waves are :-

• Amplitude

• Frequency

• Wavelength

• Period

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