Usefulness Of Early Rising There goes a proverb, “Early to bed and early to rise, makes a man healthy, wealthy and wise.” Early rising has a good impact on the body and mind of the early riser. The fresh morning air along with the calm in the environment refreshes and invigorates both the body and mind of man. Early rising thus gives him a new lease on life. Late rising, on the contrary, has a bad impact on man. It weakens and gradually causes more problems to the health of the late riser. Like people belonging to all walks of life, early rising particularly benefits students, it provides a good and early beginning to their day’s work. As a result, they can easily and properly finish homework and other duties. The students studying early in the morning can be more benefited than those at any other part of the day. Rising early is not an easy job. Those who cannot get up early may take the help of an alarm clock to wake them up. With practice for some time, this will def...
1. A child on a swing completes 15 oscillations in 30 seconds. Calculate both the time period and the frequency of the swing. Time Period: A) 1 second B) 2 seconds C) 3 seconds D) 4 seconds Frequency: A) 0.25 Hz B) 0.5 Hz C) 1 Hz D) 2 Hz 2. A pendulum oscillates 60 times in one minute. Calculate its frequency. A) 0.5 Hz B) 1 Hz C) 2 Hz D) 60 Hz 3. A simple pendulum completes 20 oscillations in 40 seconds. Calculate its time period. A) 1 second B) 2 seconds C) 3 seconds D) 4 seconds 4. A child on a swing completes 15 swings in 1 minute. Calculate the frequency of the swing’s oscillation. A) 0.15 Hz B) 0.25 Hz C) 0.5 Hz D) 1 Hz 5. A tuning fork vibrates 500 times in 5 seconds. Calculate its frequency. A) 50 Hz B) 100 Hz C) 200 Hz D) 500 Hz 6. A pendulum completes 45 oscillations in 90 seconds. Calculate its time period. A) 1 second B) 2 seconds C) 3 seconds D) 4 seconds 7. A swing completes 20 swings in 40 seco...