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oscillation time period frequency math questions physics for class 7th standard

  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...
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chapter 3 lion quest class 6

    What did you experience today with effective listening? Example: "Today, I experienced effective listening when my friend shared their thoughts about a problem they were facing. I focused on what they were saying, maintained eye contact, and nodded to show I was listening. It made our conversation more meaningful, and my friend felt understood and supported." What did you learn about the benefits of effective listening? How does it feel when someone really listens to you? Example: "I learned that effective listening helps build trust and strengthens relationships. It avoids misunderstandings and makes people feel valued. When someone really listens to me, I feel respected and important. It encourages me to share more openly and honestly." What can effective listening do for you? What can it do for others when you listen to them in this way? Example: "Effective listening can help me understand others better and improve my communica...

chapter 2 after 2.7 lion quest class 6

    Reflecting What is stress? Answer: Stress is a natural reaction of our body and mind to challenges or demands. It is a condition where we feel uncomfortable, nervous, or uneasy, often due to pressure, changes, or difficult situations. What did you learn about stress management strategies? Answer: I learned that stress management strategies are techniques or activities that help reduce stress and promote well-being. These strategies include: Deep breathing: It helps release tension and calms the mind. Engaging in hobbies: Hobbies like playing a musical instrument, drawing, or reading can relieve stress by shifting focus away from stressors. Exercise: Physical activities like walking, jogging, or playing sports create a sense of calmness and improve overall well-being. Knowing what we can and cannot control is important because it helps us focus on actions that can make a positive difference, rather than worrying about...

chapter 6 physics class 6

  I. Select the Correct Option Which of these is not a magnetic material? (c) Zinc . (Iron and Cobalt are magnetic ). Which of these is used to make a permanent magnet? (a) Steel . (Soft iron is typically used for temporary magnets ). If the north poles of two magnets are placed near one another, there: (b) is a repulsion between them . (Like poles repel ). Observe the pictures A and B (toy cars with magnets): (c) In A, cars 1 and 2 will move away and in B, 3 and 4 will come closer to each other . Reasoning : In A, like poles ($S$ and $S$) face each other, causing repulsion. In B, unlike poles ($S$ and $N$) face each other, causing attraction. The correct arrangement to store two magnets is: (b) . Reasoning : Bar magnets should be stored in pairs with unlike poles on the same side, separated by wood, and with soft iron keepers across the ends. The st...