Question

II) Statements given below are incorrect. Write the correct statements.
(i) The motion described by a boy on a swing is vibratory motion.
(ii) The time taken by a pendulum to complete one vibration is called time period.
(iii) A car going around a curved path describes the rotatory motion.
(iv) The motion described by the string of a violin is oscillatory motion.
(v) The heart of a person (at rest) describes a non-periodic motion.
(vi) The time period of a second's pendulum is one second.
(vii) A spinning top describes a curvilinear motion.
(viii) The basic unit of time is light year.
(ix) Distance between two cities is measured in Centimetres.
(x) The speed of the train is expressed in m/h.​

Answer 1

Answer:

DEAR STUDENT

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CORRECTED STATEMENTS:-

1) The motion described by the boy on a swing is OSCILLATORY motion.

2) The time taken by the pendulum to complete one OSCILLATION is called Time Period.

3) A car going around a curved path describes the CIRCULAR motion.

4) The motion described by a string of a violin is VIBRATORY motion.

5) The heart of a person (at rest) describes PERIODIC motion.

6) The time period of a second's pendulum is TWO seconds.

7) A spinning top describes a ROTATIONAL motion.

8) The basic unit of time is SECONDS.

9) Distance between two cities is measured between KILOMETERS.

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