Archana Shukla Solutions for Chapter: Time and Motion, Exercise 3: WORKSHEET
Archana Shukla Science Solutions for Exercise - Archana Shukla Solutions for Chapter: Time and Motion, Exercise 3: WORKSHEET
Attempt the free practice questions on Chapter 1: Time and Motion, Exercise 3: WORKSHEET with hints and solutions to strengthen your understanding. WOW! SCIENCE Hands-on Learning in SCIENCE 7 solutions are prepared by Experienced Embibe Experts.
Questions from Archana Shukla Solutions for Chapter: Time and Motion, Exercise 3: WORKSHEET with Hints & Solutions
We often state that the speed of light in vacuum is about and the average speed of sound in air is about . Why do you think the term 'average' is used to describe the speed of sound in the air but not the speed of light in vacuum?

A bus takes to travel from town X and Y and to travel from town Y to Z.
Calculate the speed of the bus from town 'X' to town 'Y'.

A bus takes to travel from town X to town Y and to travel from town Y to Z.
Is the speed of the bus increasing or decreasing from town 'Y' to 'Z' as compared to the speed from 'X' to 'Y'? Find out.

A bus takes to travel from town X to town Y and to travel from town Y to Z.
What is the average speed of the bus throughout journey?

Look at the diagram of a simple pendulum. The bob of the pendulum is released at point 'X'. The period of the oscillation is found to be .
Calculate how long it takes for the bob of the pendulum to swing from X to Y.

Look at the diagram of a simple pendulum. The bob of the pendulum is released at point 'X'. The period of the oscillation is found to be .
State one measure you can take to ensure that the measurement of the time period of the pendulum is as accurate as possible.

Look at the diagram of a simple pendulum. The bob of the pendulum is released at point 'X'. The period of the oscillation is found to be .
Can you change the time period of the pendulum? How?
