True or falsState whethere and correct- 1. Speed is the rate of change of displacement.2. For freely falling objects, gravity works in the upward direction.3. Time period depend on the length of the pendulum.4. A body in a circular path in uniform motion has a constant velocity.5. Chemical energy is stored in the matter.6. For normal incidence of a ray on a plane mirror, angle of incidence is 90°7. Regular reflection spreads light in all directions.8. SI unit of energy is m/s.

True or falsState whethere and correct- 1. Speed is the rate of chan

1.	True or falsState whethere and correct- 1. Speed is the rate of change of displacement.2. For freely falling objects, gravity works in the upward direction.3. Time period depend on the length of the pendulum.4. A body in a circular path in uniform motion has a constant velocity.5. Chemical energy is stored in the matter.6. For normal incidence of a ray on a plane mirror, angle of incidence is 90°7. Regular reflection spreads light in all directions.8. SI unit of energy is m/s.
Answer» 1 TRUE 2 false345 true6 true7 FALSE8 false3,4 don't KNOW

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