Name the device that is used for measuring time interval. Name the agency which provides time-keeping services in India.
Important Questions on Motion and Time
Under what condition, the time period of a pendulum does not depend upon the amplitude of oscillation?
Define speed. What is its SI unit?
Define non-uniform motion. Give one example.
When is an object said to be in motion?
Classify motion of the following as linear, circular and oscillatory motion.
(a) a cyclist on a straight plane road
(b) a plucked string of a sitar
(c) tip of the hand of a clock
(d) earth moving around the sun
(e) a stone falling from a certain height
(f) a swing
Describe:
The time period of a simple pendulum.
Describe:
Amplitude of a simple pendulum.
Define average speed. What are its units? How can it be measured?
