# NCERT Class 11 Physics Solutions: Chapter 14 – Oscillations-Part 10 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 14.14:

The piston in the cylinder head of a locomotive has a stroke (twice the amplitude) of . If the piston moves with simple harmonic motion with an angular frequency of , what is its maximum speed?

Angular frequency of the piston, .

Stroke

Amplitude, The Velocity and Maximum Speed of Mass and It՚s Relation Sho …

The maximum speed of the piston is give by the relation:

Question 14.15:

The acceleration due to gravity on the surface of moon is . What is the time period of a simple pendulum on the surface of moon if its time period on the surface of earth is ? (g on the surface of earth is )

Acceleration due to gravity on the surface of moon,

Acceleration due to gravity on the surface of earth,

Time period of a simple pendulum on earth,