R P Manchanda, Dr. Neha Jindal and, Ms. Archita Baruah Bhattacharyya Solutions for Chapter: Practice Paper 1, Exercise 1: 1; PRACTICE PAPER
R P Manchanda Science Solutions for Exercise - R P Manchanda, Dr. Neha Jindal and, Ms. Archita Baruah Bhattacharyya Solutions for Chapter: Practice Paper 1, Exercise 1: 1; PRACTICE PAPER
Attempt the free practice questions on Chapter 16: Practice Paper 1, Exercise 1: 1; PRACTICE PAPER with hints and solutions to strengthen your understanding. Together with Science Class 9 solutions are prepared by Experienced Embibe Experts.
Questions from R P Manchanda, Dr. Neha Jindal and, Ms. Archita Baruah Bhattacharyya Solutions for Chapter: Practice Paper 1, Exercise 1: 1; PRACTICE PAPER with Hints & Solutions
A sound wave has frequency of and a wavelength . How long will it take to travel ?
Define amplitude and give its SI unit.
How is frequency of wave related to its time period ?
State two factors responsible for weathering of rocks.
Why is the biosphere called the largest ecological system ?
Name a pollution free source of energy.
Why is mitochondria called 'power-house' of cell? Give the similarities and one difference between mitochondria and plastid.
What are the main functional regions of a cell? Explain with the help of a diagram.
