9th 1st Term

1. Laws of Motion

9th science Laws of motion

Q.1.  Fill in the blank and rewrite the completed statements                                                            23 1 .is the displacement that occurs in unit time. Ans Velocity is the displacement that occurs in unit time. 2.The distance travelled by an object in a particular direction in unit time is called …………. . Ans The distance travelled by an object in […]

2. Work and Energy

9th science Topic 2. work and energy

Q.1 Fill in the blank and rewrite the completed statements:  1.1 kWh = J Ans 1 kWh = 3.6 x 106 J 2. Work is equal to the product of …………… . Ans Work is equal to the product of force and displacement. 3. If the velocity of the body increased by 2 times, then […]

1. Laws of Motion

9th class science chapter 1 laws of motion exercise answers

  https://www.youtube.com/watch?v=B1DQYOXeGvQ&list=PLjm_mvBNlvBb_1LfTcXjvGavlhDaSjbYz&index=3 Content : #  Q.1. Fill in the blank and rewrite the completed statements.                                  # Q. 2 Find the odd one out    #Q.3. Find co-related terms                  #Q.4. Match the […]

9th 1st Term Chemistry रसायनशास्त्र

Chemistry radicles : Acidic radicle and Basic Radicale

Acid radical:The ion formed after removal of Hydrogen ion (H⁺ ion) from an acid is called acid radical.Ex: When HCl loses H⁺ ion, it forms Cl⁻ which is an acid radical. Basic radical:- The ion formed after removal of hydroxide ions (OH⁻ ions) from a base is called basic radical.Ex: When NaOH loses OH⁻ ion, it […]