Q1: Define the atomic mass unit.Ans: One atomic mass unit is a mass unit equal to exactly one-twelfth (1/12th) the mass of one […]

Short Ans Type: Ques 1. Suggest separation technique(s) one would need to employ to separate the following mixtures.(a) Mercury and

Short Question Answer: Matter in Our Surroundings Q1: The mass per unit volume of a substance is called density. (density

Q1: Name any two fodder crops.Ans: Berseem and Sudan grass are raised as food for the livestock, called fodder crops. Q2:

Q1: What does wave transfer – matter or energy?Ans: Energy. Q2: What is the intensity of sound?Ans: Sound intensity is the sound

Q1: A spring which has been kept compressed by tying its ends together is allowed to be dissolved in an

Q1: Write SI unit of G.Ans:We know, or In SI system, force F is measured in N, distance r in

Q1: Name two factors which determine the momentum of a body.Ans: The two factors that determine the momentum of a body

Q1: Define the term velocity. What is its unit? Is it a scalar or vector quantity?Ans: Velocity is a physical quantity

Q1: What is the function of epidermis in plants?Ans: Epidermal tissue forms a protective layer for plants and helps to protect