Q1. The SI unit of time is:
Q2. Which of the following is the most accurate time-measuring device?
Q3. The time period of a simple pendulum depends on:
Q4. A pendulum completes 20 oscillations in 40 seconds. Its time period is:
Q5. The formula for speed is:
Q6. A car travels 100 km in 2 hours. Its speed is:
Q7. To convert km/h to m/s, we multiply by:
Q8. 36 km/h is equal to:
Q9. In uniform motion, the distance-time graph is a:
Q10. An object is at rest. Its distance-time graph will be a:
Q11. A speedometer in a vehicle measures:
Q12. An odometer in a vehicle measures:
Q13. Which of these is an example of non-uniform motion?
Q14. If the frequency of a pendulum is 2 Hz, its time period is:
Q15. 15 m/s is equal to:
Q16. A bus covers 200 km in 4 hours and then 100 km in 1 hour. The average speed is:
Q17. A sundial cannot be used to tell time:
Q18. A cyclist covers 500 metres in 25 seconds. His speed is:
Q19. In a distance-time graph, a steeper straight line indicates:
Q20. The amplitude of a simple pendulum is the: