Physics Class 10 Practical 15 Important Viva Questions with Answers (time period of simple pendulum )

 PRACTICAL 15

To prove that time period of a simple pendulum is independent of (i) mass of the pendulum (ii) amplitude of the vibration.

VIVA VOCE



1.  What is the objective of the experiment?

   Ans: The objective is to demonstrate that the time period of a simple pendulum remains constant irrespective of changes in its mass and amplitude.

2.  How is the time period of a pendulum defined?

  Ans: The time period (T) of a pendulum is the time taken for one complete oscillation, i.e., the time it takes for the pendulum to return to its starting position.

3.  Explain how you varied the mass of the pendulum during the experiment.

 Ans: We kept the length and amplitude of the pendulum constant while changing the mass by attaching different weights at the bottom of the pendulum bob.

4. What did you observe when you changed the mass of the pendulum?

Ans: Despite changing the mass, we observed that the time period of the pendulum remained constant.

5.  Why does the time period remain constant when the mass of the pendulum changes?

 Ans: The time period of a simple pendulum is only dependent on its length and the gravitational acceleration, not its mass. Therefore, changing the mass does not affect the time period.

6. How did you vary the amplitude of the pendulum during the experiment?

Ans: We adjusted the initial angle from the vertical at which the pendulum was released, thereby changing the amplitude of its oscillation.

7. What did you observe when you changed the amplitude of the pendulum's oscillation?

Ans: Despite changing the amplitude, we observed that the time period of the pendulum remained constant.

8. Why does the time period remain constant when the amplitude of the pendulum's oscillation changes?

Ans: The time period of a simple pendulum is only dependent on its length, not its amplitude. Therefore, changing the amplitude does not affect the time period.

9. What precautions did you take during the experiment to ensure accuracy?

Ans: We ensured that the length of the pendulum remained constant throughout the experiment, used a stopwatch with precision, and repeated the experiment multiple times to obtain accurate results.

10. What conclusion can be drawn from this experiment?

Ans: The experiment confirms that the time period of a simple pendulum is independent of both its mass and amplitude, validating the theoretical prediction.

Comments

Post a Comment

Popular posts from this blog

The Old (Ancient) Names of Peshawar: A Journey Through History

Image
Peshawar, a vibrant city nestled in the northwest of Pakistan, boasts a rich and diverse history. Its roots trace back to antiquity, making it one of the oldest continuously inhabited cities in the world. Throughout the ages, Peshawar has been known by different names, each reflecting its historical significance and cultural evolution. In this blog post, we'll take a journey through time to explore the ancient names of Peshawar and how they connect to the city's storied past. 1. Purushapura - The Early Beginnings: Purushapura is one of the earliest known names of Peshawar. It dates back to the period of the ancient Indian civilization and was used by the Indo-Greek kings who ruled the region. This name signifies Peshawar's ancient origins and its importance as a hub of trade and culture in the ancient world. 2. Vaehka - Under the Achaemenid Empire: During the reign of the Achaemenid Empire, the city was known as Vaehka. This name reflects the city's role as part of the
Read more

Police Issue Warning to Android Phone Users Regarding Unintentional 999 Calls Caused by New Feature

Image
  Police forces across the UK have raised concerns about a recent feature found on certain Android phones, which is leading to a significant influx of unintended and "silent" 999 emergency calls overwhelming emergency switchboards. The problematic feature, known as Emergency SOS , is triggered when users repeatedly press the side button on their phones. Police officials believe that this feature is partly responsible for the escalating number of emergency calls being made. Google, the developer of the widely used Android phone software, has stated that it expects phone manufacturers to release updates addressing this issue. Popular smartphone models such as Samsung's Galaxy, Google's Pixel, and OnePlus devices are among those running on the Android operating system. The National Police Chiefs Council explained that the recent Android software update introduced a new SOS emergency function that allows devices to call 999 by pressing the power button five times or mor
Read more

What goes around comes around (Essay 250 words)

Image
This saying, "what goes around comes around," is like a golden rule for life. It means that the things we do have a way of coming back to us. ". Our actions have consequences, and it encourages us to be good, work hard, and believe that things will turn out well if we do the right things. Imagine it's like planting seeds; if we plant good seeds by being kind, helpful, and respectful to others, those seeds will grow into positive experiences and relationships in the future. On the other hand, if we plant bad seeds by being mean or dishonest, we'll likely harvest negativity and problems later on. In our everyday experiences, we can see this principle in action. When we smile at someone, they often smile back. When we lend a helping hand, others are more likely to help us when we need it. It's a reminder that the world tends to reflect our actions and attitudes. Moreover, this saying also motivates us to keep going, even when things are tough. It reminds
Read more