▶ Chapter 1 - Hazrat Muhammad An Embodiment of Justice
Q1: Define Physical Quantities.
Ans: Physical quantities are those measurable properties of matter such as mass, time, and length which can be expressed in numbers along with units.
Q2: Explain the difference between base and derived quantities.
Ans: Base quantities are the fundamental quantities (like length, mass, time), while derived quantities are obtained from them (like velocity, acceleration, force).
Q3: What is meant by measurement?
Ans: Measurement is the comparison of an unknown quantity with a known standard quantity of the same kind.
▶ Chapter 2 - Chinese New Year
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 3 - Try Again (Poem)
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 4 - First Aid
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 5 - The Rain (poem)
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 6 - Television vs Newspaper
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 7 - Little by Little One Walks Far!
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 8 - Peace (poem)
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 9 - Selecting the Right Career
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 10 - A World Without Books
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 11 - Great Expectation
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 12 - Population Growth and World Food Supplies
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.
▶ Chapter 13 - Faithfulness
Q1: Define speed and velocity.
Ans: Speed is the distance covered per unit time (scalar), while velocity is displacement per unit time (vector).
Q2: State the equation of uniformly accelerated motion.
Ans: The equation is v = u + at, where u = initial velocity, v = final velocity, a = acceleration, and t = time.